High
CVE-2026-33526
Squid is a caching proxy for the Web. Prior to version 7.5, due to heap Use-After-Free, Squid is vulnerable to Denial of Service when handling ICP traffic. This problem allows a remote attacker to pe…
Tag: Squid
All CVEs associated with "Squid". Page 1/2 • 177 CVEs.
About “Squid”
A curated feed of “Squid”-related CVEs appears below. We currently track 177 CVEs for this tag (all time). In the last 365 days, 7 were published. Average CVSS is 6.6 (all time; 7.6 over 365d), and 47% are rated High/Critical (all time). Top CWEs (last 365 days): CWE-416 - Use After Free, CWE-125 - Out-of-bounds Read, CWE-413 - Improper Resource Locking.
In our taxonomy this topic maps to a LOW impact class. Databases, proxies, and web servers often need coordinated restarts and config checks. Patch only modules you deploy, verify TLS and authentication, and tune limits. Use the filters below to sort by CVSS, risk and CWE. Each detail page highlights vendor advisories and mitigation tips.
Support & lifecycle: squid
This table shows recent release cycles and their projected end-of-life. Data source: endoflife.date.
| Cycle | Release | Latest | EOL | LTS |
|---|---|---|---|---|
| 7 | 7.5 | - | ||
| 6 | 6.14 | Expired | ||
| 5 | 5.9 | Expired | ||
| 4 | 4.17 | Expired | ||
| 3.5 | 3.5.28 | Expired | ||
| 3.4 | 3.4.14 | Expired | ||
| 3.3 | 3.3.14 | Expired | ||
| 3.2 | 3.2.14 | Expired | ||
| 3.1 | 3.1.23 | Expired | ||
| 2.7 | 2.7.9 | Expired | ||
| 3.0 | 3.0.26 | Expired | ||
| 2.6 | 2.6.24 | Expired | ||
| 2.5 | 2.5.14 | Expired | ||
| 2.4 | 2.4.7 | Expired |
Maintained Soon (≤ 180 days) Expired
Subscribe lifecycle: RSS (expired) · ICS
Subscribe CVEs: RSS for “Squid” · RSS (High+Critical only)
CVEs tagged with this topic. Filters apply to the whole list (loaded from JSON).
CVSS ≥ 0.0
2026-03-26
Medium
CVE-2026-33515
Squid is a caching proxy for the Web. Prior to version 7.5, due to improper input validation, Squid is vulnerable to out of bounds read when handling ICP traffic. This problem allows a remote attacke…
High
CVE-2026-32748
Squid is a caching proxy for the Web. Prior to version 7.5, due to premature release of resource during expected lifetime and heap Use-After-Free bugs, Squid is vulnerable to Denial of Service when h…
2025-12-11
High
CVE-2025-67738
squid/cachemgr.cgi in Webmin before 2.600 does not properly quote arguments. This is relevant if Webmin's Squid module and its Cache Manager feature are available, and an untrusted party is able to a…
2025-10-17
Critical
CVE-2025-62168
Squid is a caching proxy for the Web. In Squid versions prior to 7.2, a failure to redact HTTP authentication credentials in error handling allows information disclosure. The vulnerability allows a s…
2025-09-26
Medium
CVE-2025-59362
Squid through 7.1 mishandles ASN.1 encoding of long SNMP OIDs. This occurs in asn_build_objid in lib/snmplib/asn1.c.
2025-08-01
Critical
CVE-2025-54574
Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer ma…
2024-10-28
High
CVE-2024-45802
Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to Input Validation, Premature Release of Resource During Expected Lifetime, and Missing Release of Resour…
2024-08-21
Medium
CVE-2024-43371
CKAN is an open-source data management system for powering data hubs and data portals. There are a number of CKAN plugins, including XLoader, DataPusher, Resource proxy and ckanext-archiver, that wor…
2024-06-25
Medium
CVE-2024-37894
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Out-of-bounds Write error when assigning ESI variables, Squid is susceptible to a Memory Corruption error. This e…
2024-03-06
High
CVE-2024-25111
Squid is a web proxy cache. Starting in version 3.5.27 and prior to version 6.8, Squid may be vulnerable to a Denial of Service attack against HTTP Chunked decoder due to an uncontrolled recursion bu…
2024-02-14
Medium
CVE-2024-25617
Squid is an open source caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Collapse of Data into Unsafe Value bug ,Squid may be vulnerable to a Denial of Service attack against…
2024-01-24
Medium
CVE-2024-23638
Squid is a caching proxy for the Web. Due to an expired pointer reference bug, Squid prior to version 6.6 is vulnerable to a Denial of Service attack against Cache Manager error responses. This probl…
2023-12-14
High
CVE-2023-50269
Squid is a caching proxy for the Web. Due to an Uncontrolled Recursion bug in versions 2.6 through 2.7.STABLE9, versions 3.1 through 5.9, and versions 6.0.1 through 6.5, Squid may be vulnerable to a…
2023-12-04
High
CVE-2023-49288
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Affected versions of squid are subject to a a Use-After-Free bug which can lead to a Denial of Service attack via collapsed…
High
CVE-2023-49286
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper…
High
CVE-2023-49285
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a Buffer Overread bug Squid is vulnerable to a Denial of Service attack against Squid HTTP Message processing. This…
2023-11-06
High
CVE-2023-46728
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to a NULL pointer dereference bug Squid is vulnerable to a Denial of Service attack against Squid's Gopher gateway. The…
2023-11-03
High
CVE-2023-5824
A flaw was found in Squid. The limits applied for validation of HTTP response headers are applied before caching. However, Squid may grow a cached HTTP response header beyond the configured maximum s…
High
CVE-2023-46848
Squid is vulnerable to Denial of Service, where a remote attacker can perform DoS by sending ftp:// URLs in HTTP Request messages or constructing ftp:// URLs from FTP Native input.
High
CVE-2023-46847
Squid is vulnerable to a Denial of Service, where a remote attacker can perform buffer overflow attack by writing up to 2 MB of arbitrary data to heap memory when Squid is configured to accept HTTP…
Critical
CVE-2023-46846
SQUID is vulnerable to HTTP request smuggling, caused by chunked decoder lenience, allows a remote attacker to perform Request/Response smuggling past firewall and frontend security systems.
2023-11-01
High
CVE-2023-46724
Squid is a caching proxy for the Web. Due to an Improper Validation of Specified Index bug, Squid versions 3.3.0.1 through 5.9 and 6.0 prior to 6.4 compiled using `--with-openssl` are vulnerable to a…
2023-03-18
Medium
CVE-2023-24278
Squidex before 7.4.0 was discovered to contain a squid.svg cross-site scripting (XSS) vulnerability.
2022-12-25
High
CVE-2022-41318
A buffer over-read was discovered in libntlmauth in Squid 2.5 through 5.6. Due to incorrect integer-overflow protection, the SSPI and SMB authentication helpers are vulnerable to reading unintended m…
Medium
CVE-2022-41317
An issue was discovered in Squid 4.9 through 4.17 and 5.0.6 through 5.6. Due to inconsistent handling of internal URIs, there can be Exposure of Sensitive Information about clients using the proxy vi…
2022-07-17
Medium
CVE-2021-46784
In Squid 3.x through 3.5.28, 4.x through 4.17, and 5.x before 5.6, due to improper buffer management, a Denial of Service can occur when processing long Gopher server responses.
2021-10-18
High
CVE-2021-41611
An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem all…
2021-06-08
Medium
CVE-2021-31807
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. An integer overflow problem allows a remote server to achieve Denial of Service when delivering responses to HTTP Range requests. Th…
2021-05-28
Medium
CVE-2021-33620
Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expec…
2021-05-27
Medium
CVE-2021-31808
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to an input-validation bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy). A client sends…
Medium
CVE-2021-31806
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack (against all clients using the proxy) via HTTP Range…
Medium
CVE-2021-28662
An issue was discovered in Squid 4.x before 4.15 and 5.x before 5.0.6. If a remote server sends a certain response header over HTTP or HTTPS, there is a denial of service. This header can plausibly o…
Medium
CVE-2021-28652
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to incorrect parser validation, it allows a Denial of Service attack against the Cache Manager API. This allows a trusted client…
High
CVE-2021-28651
An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a buffer-management bug, it allows a denial of service. When resolving a request with the urn: scheme, the parser leaks a sma…
2021-03-19
High
CVE-2020-25097
An issue was discovered in Squid through 4.13 and 5.x through 5.0.4. Due to improper input validation, it allows a trusted client to perform HTTP Request Smuggling and access services otherwise forbi…
2021-03-09
Low
CVE-2021-28116
Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for re…
2020-09-02
Medium
CVE-2020-15811
An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP Request Splitting attacks may succeed against HTTP and HTTPS traffic. This leads to cache poi…
Medium
CVE-2020-15810
An issue was discovered in Squid before 4.13 and 5.x before 5.0.4. Due to incorrect data validation, HTTP Request Smuggling attacks may succeed against HTTP and HTTPS traffic. This leads to cache poi…
2020-08-24
High
CVE-2020-24606
Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only o…
2020-06-30
Medium
CVE-2020-14059
An issue was discovered in Squid 5.x before 5.0.3. Due to an Incorrect Synchronization, a Denial of Service can occur when processing objects in an SMP cache because of an Ipc::Mem::PageStack::pop AB…
High
CVE-2020-14058
An issue was discovered in Squid before 4.12 and 5.x before 5.0.3. Due to use of a potentially dangerous function, Squid and the default certificate validation helper are vulnerable to a Denial of Se…
Critical
CVE-2020-15049
An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an…
2020-05-18
Medium
CVE-2020-13135
D-Link DSP-W215 1.26b03 devices allow information disclosure by intercepting messages on the local network, as demonstrated by a Squid Proxy.
2020-04-23
Critical
CVE-2020-11945
An issue was discovered in Squid before 5.0.2. A remote attacker can replay a sniffed Digest Authentication nonce to gain access to resources that are otherwise forbidden. This occurs because the att…
2020-04-15
High
CVE-2019-12520
An issue was discovered in Squid through 4.7 and 5. When receiving a request, Squid checks its cache to see if it can serve up a response. It does this by making a MD5 hash of the absolute URL of the…
Critical
CVE-2019-12519
An issue was discovered in Squid through 4.7. When handling the tag esi:when when ESI is enabled, Squid calls ESIExpression::Evaluate. This function uses a fixed stack buffer to hold the expression w…
Critical
CVE-2019-12524
An issue was discovered in Squid through 4.7. When handling requests from users, Squid checks its rules to see if the request should be denied. Squid by default comes with rules to block access to th…
Medium
CVE-2019-12522
An issue was discovered in Squid through 4.7. When Squid is run as root, it spawns its child processes as a lesser user, by default the user nobody. This is done via the leave_suid call. leave_suid l…
Medium
CVE-2019-12521
An issue was discovered in Squid through 4.7. When Squid is parsing ESI, it keeps the ESI elements in ESIContext. ESIContext contains a buffer for holding a stack of ESIElements. When a new ESIElemen…
2020-03-20
Medium
CVE-2019-18860
Squid before 4.9, when certain web browsers are used, mishandles HTML in the host (aka hostname) parameter to cachemgr.cgi.
2020-02-04
High
CVE-2019-12528
An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions…
High
CVE-2020-8517
An issue was discovered in Squid before 4.10. Due to incorrect input validation, the NTLM authentication credentials parser in ext_lm_group_acl may write to memory outside the credentials buffer. On…
High
CVE-2020-8450
An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.
High
CVE-2020-8449
An issue was discovered in Squid before 4.10. Due to incorrect input validation, it can interpret crafted HTTP requests in unexpected ways to access server resources prohibited by earlier security fi…
2020-01-21
High
CVE-2019-18932
log.c in Squid Analysis Report Generator (sarg) through 2.3.11 allows local privilege escalation. By default, it uses a fixed temporary directory /tmp/sarg. As the root user, sarg creates this direct…
2019-11-26
High
CVE-2019-18679
An issue was discovered in Squid 2.x, 3.x, and 4.x through 4.8. Due to incorrect data management, it is vulnerable to information disclosure when processing HTTP Digest Authentication. Nonce tokens c…
Medium
CVE-2019-18678
An issue was discovered in Squid 3.x and 4.x through 4.8. It allows attackers to smuggle HTTP requests through frontend software to a Squid instance that splits the HTTP Request pipeline differently.…
Medium
CVE-2019-18677
An issue was discovered in Squid 3.x and 4.x through 4.8 when the append_domain setting is used (because the appended characters do not properly interact with hostname length restrictions). Due to in…
High
CVE-2019-18676
An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy.…
Critical
CVE-2019-12526
An issue was discovered in Squid before 4.9. URN response handling in Squid suffers from a heap-based buffer overflow. When receiving data from a remote server in response to an URN request, Squid fa…
Critical
CVE-2019-12523
An issue was discovered in Squid before 4.9. When handling a URN request, a corresponding HTTP request is made. This HTTP request doesn't go through the access checks that incoming HTTP requests go t…
2019-10-07
Medium
CVE-2019-3688
The /usr/sbin/pinger binary packaged with squid in SUSE Linux Enterprise Server 15 before and including version 4.8-5.8.1 and in SUSE Linux Enterprise Server 12 before and including 3.5.21-26.17.1 ha…
2019-08-15
High
CVE-2019-12854
Due to incorrect string termination, Squid cachemgr.cgi 4.0 through 4.7 may access unallocated memory. On systems with memory access protections, this can cause the CGI process to terminate unexpecte…
2019-07-11
Medium
CVE-2019-12529
An issue was discovered in Squid 2.x through 2.7.STABLE9, 3.x through 3.5.28, and 4.x through 4.7. When Squid is configured to use Basic Authentication, the Proxy-Authorization header is parsed via u…
High
CVE-2019-12527
An issue was discovered in Squid 4.0.23 through 4.7. When checking Basic Authentication with HttpHeader::getAuth, Squid uses a global buffer to store the decoded data. Squid does not check that the d…
Critical
CVE-2019-12525
An issue was discovered in Squid 3.3.9 through 3.5.28 and 4.x through 4.7. When Squid is configured to use Digest authentication, it parses the header Proxy-Authorization. It searches for certain tok…
2019-07-05
Medium
CVE-2019-13345
The cachemgr.cgi web module of Squid through 4.7 has XSS via the user_name or auth parameter.
2018-11-09
Medium
CVE-2018-19132
Squid before 4.4, when SNMP is enabled, allows a denial of service (Memory Leak) via an SNMP packet.
Medium
CVE-2018-19131
Squid before 4.4 has XSS via a crafted X.509 certificate during HTTP(S) error page generation for certificate errors.
2018-05-16
Medium
CVE-2018-1172
This vulnerability allows remote attackers to deny service on vulnerable installations of The Squid Software Foundation Squid 3.5.27-20180318. Authentication is not required to exploit this vulnerabi…
2018-02-09
High
CVE-2018-1000027
The Squid Software Foundation Squid HTTP Caching Proxy version prior to version 4.0.23 contains a NULL Pointer Dereference vulnerability in HTTP Response X-Forwarded-For header processing that can re…
High
CVE-2018-1000024
The Squid Software Foundation Squid HTTP Caching Proxy version 3.0 to 3.5.27, 4.0 to 4.0.22 contains a Incorrect Pointer Handling vulnerability in ESI Response Processing that can result in Denial of…
2017-11-16
High
CVE-2017-1087
In FreeBSD 10.x before 10.4-STABLE, 10.4-RELEASE-p3, and 10.3-RELEASE-p24 named paths are globally scoped, meaning a process located in one jail can read and modify the content of POSIX shared memory…
2017-01-27
High
CVE-2016-10003
Incorrect HTTP Request header comparison in Squid HTTP Proxy 3.5.0.1 through 3.5.22, and 4.0.1 through 4.0.16 results in Collapsed Forwarding feature mistakenly identifying some private responses as…
High
CVE-2016-10002
Incorrect processing of responses to If-None-Modified HTTP conditional requests in Squid HTTP Proxy 3.1.10 through 3.1.23, 3.2.0.3 through 3.5.22, and 4.0.1 through 4.0.16 leads to client-specific Co…
2016-08-10
Critical
CVE-2016-5408
Stack-based buffer overflow in the munge_other_line function in cachemgr.cgi in the squid package before 3.1.23-16.el6_8.6 in Red Hat Enterprise Linux 6 allows remote attackers to execute arbitrary c…
2016-05-10
High
CVE-2016-4556
Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via a crafted Edge Side Includes (ESI) response.
High
CVE-2016-4555
client_side_request.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via crafted Edge Side Includes (ESI) responses.
High
CVE-2016-4554
mime_header.cc in Squid before 3.5.18 allows remote attackers to bypass intended same-origin restrictions and possibly conduct cache-poisoning attacks via a crafted HTTP Host header, aka a "header sm…
High
CVE-2016-4553
client_side.cc in Squid before 3.5.18 and 4.x before 4.0.10 does not properly ignore the Host header when absolute-URI is provided, which allows remote attackers to conduct cache-poisoning attacks vi…
2016-04-25
High
CVE-2016-4054
Buffer overflow in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allows remote attackers to execute arbitrary code via crafted Edge Side Includes (ESI) responses.
Low
CVE-2016-4053
Squid 3.x before 3.5.17 and 4.x before 4.0.9 allow remote attackers to obtain sensitive stack layout information via crafted Edge Side Includes (ESI) responses, related to incorrect use of assert and…
High
CVE-2016-4052
Multiple stack-based buffer overflows in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allow remote HTTP servers to cause a denial of service or execute arbitrary code via crafted Edge Side Includes (…
High
CVE-2016-4051
Buffer overflow in cachemgr.cgi in Squid 2.x, 3.x before 3.5.17, and 4.x before 4.0.9 might allow remote attackers to cause a denial of service or execute arbitrary code by seeding manager reports wi…
2016-04-19
Medium
CVE-2016-2390
The FwdState::connectedToPeer method in FwdState.cc in Squid before 3.5.14 and 4.0.x before 4.0.6 does not properly handle SSL handshake errors when built with the --with-openssl option, which allows…
2016-04-07
High
CVE-2016-3948
Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers.
High
CVE-2016-3947
Heap-based buffer overflow in the Icmp6::Recv function in icmp/Icmp6.cc in the pinger utility in Squid before 3.5.16 and 4.x before 4.0.8 allows remote servers to cause a denial of service (performan…
2016-02-27
High
CVE-2016-2572
http.cc in Squid 4.x before 4.0.7 relies on the HTTP status code after a response-parsing failure, which allows remote HTTP servers to cause a denial of service (assertion failure and daemon exit) vi…
High
CVE-2016-2571
http.cc in Squid 3.x before 3.5.15 and 4.x before 4.0.7 proceeds with the storage of certain data after a response-parsing failure, which allows remote HTTP servers to cause a denial of service (asse…
High
CVE-2016-2570
The Edge Side Includes (ESI) parser in Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not check buffer limits during XML parsing, which allows remote HTTP servers to cause a denial of service (ass…
High
CVE-2016-2569
Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not properly append data to String objects, which allows remote servers to cause a denial of service (assertion failure and daemon exit) via a long s…
2015-11-06
Medium
CVE-2014-9749
Squid 3.4.4 through 3.4.11 and 3.5.0.1 through 3.5.1, when Digest authentication is used, allow remote authenticated users to retain access by leveraging a stale nonce, aka "Nonce replay vulnerabilit…
2015-09-28
Medium
CVE-2015-5400
Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend p…
2015-05-18
Low
CVE-2015-3455
Squid 3.2.x before 3.2.14, 3.3.x before 3.3.14, 3.4.x before 3.4.13, and 3.5.x before 3.5.4, when configured with client-first SSL-bump, do not properly validate the domain or hostname fields of X.50…
2015-02-20
Medium
CVE-2015-0881
CRLF injection vulnerability in Squid before 3.1.1 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a crafted header in a response.
2014-11-26
Medium
CVE-2014-7142
The pinger in Squid 3.x before 3.4.8 allows remote attackers to obtain sensitive information or cause a denial of service (crash) via a crafted (1) ICMP or (2) ICMP6 packet size.
Medium
CVE-2014-7141
The pinger in Squid 3.x before 3.4.8 allows remote attackers to obtain sensitive information or cause a denial of service (out-of-bounds read and crash) via a crafted type in an (1) ICMP or (2) ICMP6…
2014-09-12
Medium
CVE-2014-6270
Off-by-one error in the snmpHandleUdp function in snmp_core.cc in Squid 2.x and 3.x, when an SNMP port is configured, allows remote attackers to cause a denial of service (crash) or possibly execute…
2014-09-11
Medium
CVE-2014-3609
HttpHdrRange.cc in Squid 3.x before 3.3.12 and 3.4.x before 3.4.6 allows remote attackers to cause a denial of service (crash) via a request with crafted "Range headers with unidentifiable byte-range…
2014-04-14
Medium
CVE-2014-0128
Squid 3.1 before 3.3.12 and 3.4 before 3.4.4, when SSL-Bump is enabled, allows remote attackers to cause a denial of service (assertion failure) via a crafted range request, related to state manageme…
2013-09-30
High
CVE-2013-1839
The strHdrAcptLangGetItem function in errorpage.cc in Squid 3.2.x before 3.2.9 and 3.3.x before 3.3.3 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a ",…
2013-09-16
Medium
CVE-2013-4123
client_side_request.cc in Squid 3.2.x before 3.2.13 and 3.3.x before 3.3.8 allows remote attackers to cause a denial of service via a crafted port number in a HTTP Host header.
2013-08-09
High
CVE-2013-4115
Buffer overflow in the idnsALookup function in dns_internal.cc in Squid 3.2 through 3.2.11 and 3.3 through 3.3.6 allows remote attackers to cause a denial of service (memory corruption and server ter…
2013-02-08
Medium
CVE-2013-0189
cachemgr.cgi in Squid 3.1.x and 3.2.x, possibly 3.1.22, 3.2.4, and other versions, allows remote attackers to cause a denial of service (resource consumption) via a crafted request. NOTE: this issue…
2012-12-20
Medium
CVE-2012-5643
Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before 3.1.22, 3.2.x before 3.2.4, and 3.3.x before 3.3.0.2 allow remote attackers to cause a denial of service (memory…
2012-04-28
Medium
CVE-2012-2213
Squid 3.1.9 allows remote attackers to bypass the access configuration for the CONNECT method by providing an arbitrary allowed hostname in the Host HTTP header. NOTE: this issue might not be reprod…
2011-11-17
Medium
CVE-2011-4096
The idnsGrokReply function in Squid before 3.1.16 does not properly free memory, which allows remote attackers to cause a denial of service (daemon abort) via a DNS reply containing a CNAME record th…
2011-09-06
Medium
CVE-2011-3205
Buffer overflow in the gopherToHTML function in gopher.cc in the Gopher reply parser in Squid 3.0 before 3.0.STABLE26, 3.1 before 3.1.15, and 3.2 before 3.2.0.11 allows remote Gopher servers to cause…
2010-10-12
Medium
CVE-2010-2951
dns_internal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP DNS query, which allows remote attackers to cause a denial of service (assertion…
2010-09-20
Medium
CVE-2010-3072
The string-comparison functions in String.cci in Squid 3.x before 3.1.8 and 3.2.x before 3.2.0.2 allow remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a…
2010-02-15
Medium
CVE-2010-0639
The htcpHandleTstRequest function in htcp.c in Squid 2.x before 2.6.STABLE24 and 2.7 before 2.7.STABLE8, and htcp.cc in 3.0 before 3.0.STABLE24, allows remote attackers to cause a denial of service (…
2010-02-03
Medium
CVE-2010-0308
lib/rfc1035.c in Squid 2.x, 3.0 through 3.0.STABLE22, and 3.1 through 3.1.0.15 allows remote attackers to cause a denial of service (assertion failure) via a crafted DNS packet that only contains a h…
2009-12-30
Medium
CVE-2008-7250
Cross-site scripting (XSS) vulnerability in Squid Analysis Report Generator (Sarg) 2.2.4 allows remote attackers to inject arbitrary web script or HTML via a JavaScript onload event in the User-Agent…
Critical
CVE-2008-7249
Buffer overflow in Squid Analysis Report Generator (Sarg) 2.2.3.1, and probably later, allows user-assisted remote attackers to execute arbitrary code via a long HTTP request method in a crafted acce…
2009-12-29
Low
CVE-2009-4454
vccleaner in VideoCache 1.9.2 allows local users with Squid proxy user privileges to overwrite arbitrary files via a symlink attack on /var/log/videocache/vccleaner.log.
2009-10-28
Medium
CVE-2009-3826
Multiple buffer overflows in squidGuard 1.4 allow remote attackers to bypass intended URL blocking via a long URL, related to (1) the relationship between a certain buffer size in squidGuard and a ce…
2009-08-18
Medium
CVE-2009-2855
The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite…
2009-07-28
Medium
CVE-2009-2622
Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 allows remote attackers to cause a denial of service via malformed requests including (1) "missing or mismatched protocol identifier," (2) miss…
Medium
CVE-2009-2621
Squid 3.0 through 3.0.STABLE16 and 3.1 through 3.1.0.11 does not properly enforce "buffer limits and related bound checks," which allows remote attackers to cause a denial of service via (1) an incom…