About “Memcached”

A curated feed of “Memcached”-related CVEs appears below. We currently track 62 CVEs for this tag (all time). In the last 365 days, 6 were published. Average CVSS is 6.4 (all time; 7.1 over 365d), and 45% are rated High/Critical (all time). Top CWEs (last 365 days): CWE-208 - Observable Timing Discrepancy, CWE-190 - Integer Overflow or Wraparound, CWE-93 - Improper Neutralization of CRLF Sequences ('CRLF Injection').

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: memcached

This table shows recent release cycles and their projected end-of-life. Data source: endoflife.date.

CycleReleaseLatestEOLLTS
1.61.6.42-
1.51.5.22 Expired
1.41.4.39 Expired

Maintained Soon (≤ 180 days) Expired

Subscribe lifecycle: RSS (expired)  ·  ICS

Subscribe CVEs: RSS for “Memcached”  ·  RSS (High+Critical only)

CVEs tagged with this topic. Filters apply to the whole list (loaded from JSON).

CVSS ≥ 0.0
2026-06-02
High

CVE-2026-45686

OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. From version 0.7.0 to before version 0.9.0, a remotely reachable integer overflow in OBI's memcac…

2026-05-20
High

CVE-2026-47784

In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.

High

CVE-2026-47783

In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.

2026-03-12
Medium

CVE-2026-1527

ImpactWhen an application passes user-controlled input to the upgrade option of client.request(), an attacker can inject CRLF sequences (\r\n) to: * Inject arbitrary HTTP headers * Terminate t…

2026-03-06
High

CVE-2026-29093

WWBN AVideo is an open source video platform. Prior to version 24.0, the official docker-compose.yml publishes the memcached service on host port 11211 (0.0.0.0:11211) with no authentication, while t…

2026-02-27
Medium

CVE-2018-25160

HTTP::Session2 versions through 1.09 for Perl does not validate the format of user provided session ids, enabling code injection or other impact depending on session backend. For example, if an appl…

2024-03-27
High

CVE-2023-43768

An issue was discovered in Couchbase Server 6.6.x through 7.2.0, before 7.1.5 and 7.2.1. Unauthenticated users may cause memcached to run out of memory via large commands.

2023-10-27
Critical

CVE-2023-46853

In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.

High

CVE-2023-46852

In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.

2023-10-16
Medium

CVE-2023-45148

Nextcloud is an open source home cloud server. When Memcached is used as `memcache.distributed` the rate limiting in Nextcloud Server could be reset unexpectedly resetting the rate count earlier than…

2023-10-09
Medium

CVE-2023-41670

Cross-Site Request Forgery (CSRF) vulnerability in Palasthotel (in person: Edward Bock) Use Memcached plugin <= 1.0.4 versions.

2023-08-22
High

CVE-2022-48571

memcached 1.6.7 allows a Denial of Service via multi-packet uploads in UDP.

High

CVE-2020-22570

Memcached 1.6.0 before 1.6.3 allows remote attackers to cause a denial of service (daemon crash) via a crafted meta command.

2023-06-23
Medium

CVE-2023-34673

Elenos ETG150 FM transmitter running on version 3.12 was discovered to be leaking SMTP credentials and other sensitive information by exploiting the publicly accessible Memcached service. The attack…

2023-03-07
Medium

CVE-2023-27478

libmemcached-awesome is an open source C/C++ client library and tools for the memcached server. `libmemcached` could return data for a previously requested key, if that previous request timed out due…

2023-02-03
Medium

CVE-2021-37519

Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.

2022-04-05
Critical

CVE-2022-26635

PHP-Memcached v2.2.0 and below contains an improper NULL termination which allows attackers to execute CLRF injection. Note: Third parties have disputed this as not affecting PHP-Memcached directly.

2021-09-29
High

CVE-2021-35945

Couchbase Server 6.5.x, 6.6.0 through 6.6.2, and 7.0.0, has a Buffer Overflow. A specially crafted network packet sent from an attacker can crash memcached.

High

CVE-2021-35944

Couchbase Server 6.5.x, 6.6.x through 6.6.2, and 7.0.0 has a Buffer Overflow. A specially crafted network packet sent from an attacker can crash memcached.

2021-07-21
Low

CVE-2021-2340

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Memcached). Supported versions that are affected are 8.0.25 and prior. Easily exploitable vulnerability allows high privi…

2021-05-27
Medium

CVE-2020-10697

A flaw was found in Ansible Tower when running Openshift. Tower runs a memcached, which is accessed via TCP. An attacker can take advantage of writing a playbook polluting this cache, causing a denia…

2021-05-13
Critical

CVE-2021-33026

The Flask-Caching extension through 1.10.1 for Flask relies on Pickle for serialization, which may lead to remote code execution or local privilege escalation. If an attacker gains access to cache st…

2020-12-17
Critical

CVE-2020-35197

The official memcached docker images before 1.5.11-alpine (Alpine specific) contain a blank password for a root user. System using the memcached docker container deployed by affected versions of the…

2020-07-10
Medium

CVE-2020-15105

Django Two-Factor Authentication before 1.12, stores the user's password in clear text in the user session (base64-encoded). The password is stored in the session when the user submits their username…

2020-06-03
Medium

CVE-2020-13254

An issue was discovered in Django 2.2 before 2.2.13 and 3.0 before 3.0.7. In cases where a memcached backend does not perform key validation, passing malformed cache keys could result in a key collis…

2020-04-15
Medium

CVE-2020-2804

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Memcached). Supported versions that are affected are 5.6.47 and prior, 5.7.29 and prior and 8.0.19 and prior. Difficult t…

2020-03-24
High

CVE-2020-10931

Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.

2019-09-10
Medium

CVE-2019-11465

An issue was discovered in Couchbase Server 5.5.x through 5.5.3 and 6.0.0. The Memcached "connections" stat block command emits a non-redacted username. The system information submitted to Couchbase…

2019-08-30
High

CVE-2019-15026

memcached 1.5.16, when UNIX sockets are used, has a stack-based buffer over-read in conn_to_str in memcached.c.

2019-04-29
High

CVE-2019-11596

In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in process_lr…

2018-12-31
High

CVE-2018-6340

The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported v…

2018-10-17
Medium

CVE-2018-3276

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.41 and prior, 5.7.23 and prior and 8.0.12 and prior. Easily…

2018-07-18
Medium

CVE-2018-3062

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.40 and prior, 5.7.22 and prior and 8.0.11 and prior. Diffic…

2018-04-02
Critical

CVE-2018-1295

In Apache Ignite 2.3 or earlier, the serialization mechanism does not have a list of classes allowed for serialization/deserialization, which makes it possible to run arbitrary code when 3-rd party v…

2018-03-13
High

CVE-2018-1000127

memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused f…

2018-03-05
High

CVE-2018-1000115

Memcached version 1.5.5 contains an Insufficient Control of Network Message Volume (Network Amplification, CWE-406) vulnerability in the UDP support of the memcached server that can result in denial…

2017-10-19
Medium

CVE-2017-10314

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.37 and earlier and 5.7.19 and earlier. Easily exploitable v…

2017-08-08
Medium

CVE-2017-3633

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.36 and earlier and 5.7.18 and earlier. Difficult to exploit…

2017-07-17
High

CVE-2017-9951

The try_read_command function in memcached.c in memcached before 1.4.39 allows remote attackers to cause a denial of service (segmentation fault) via a request to add/set a key, which makes a compari…

2017-04-24
High

CVE-2017-3450

Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Memcached). Supported versions that are affected are 5.6.35 and earlier and 5.7.17 and earlier. Easily "exploitable"…

2017-01-06
High

CVE-2016-8706

An integer overflow in process_bin_sasl_auth function in Memcached, which is responsible for authentication commands of Memcached binary protocol, can be abused to cause heap overflow and lead to rem…

Critical

CVE-2016-8705

Multiple integer overflows in process_bin_update function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow and le…

Critical

CVE-2016-8704

An integer overflow in the process_bin_append_prepend function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow a…

2016-10-25
Medium

CVE-2016-5631

Unspecified vulnerability in Oracle MySQL 5.7.13 and earlier allows remote administrators to affect availability via vectors related to Server: Memcached.

2015-10-22
Low

CVE-2015-4910

Unspecified vulnerability in Oracle MySQL Server 5.6.26 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : Memcached.

2015-07-16
Low

CVE-2015-4761

Unspecified vulnerability in Oracle MySQL Server 5.6.24 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : Memcached.

2015-04-16
Low

CVE-2015-0507

Unspecified vulnerability in Oracle MySQL Server 5.6.23 and earlier allows remote authenticated users to affect availability via unknown vectors related to Server : Memcached.

2014-12-12
Medium

CVE-2014-8124

OpenStack Dashboard (Horizon) before 2014.1.3 and 2014.2.x before 2014.2.1 does not properly handle session records when using a db or memcached session engine, which allows remote attackers to cause…

2014-10-15
Low

CVE-2014-6474

Unspecified vulnerability in Oracle MySQL Server 5.6.19 and earlier allows remote authenticated users to affect availability via vectors related to SERVER:MEMCACHED.

2014-04-15
Medium

CVE-2014-0105

The auth_token middleware in the OpenStack Python client library for Keystone (aka python-keystoneclient) before 0.7.0 does not properly retrieve user tokens from memcache, which allows remote authen…

2014-01-13
Low

CVE-2013-7291

memcached before 1.4.17, when running in verbose mode, allows remote attackers to cause a denial of service (crash) via a request that triggers an "unbounded key print" during logging, related to an…

Low

CVE-2013-7290

The do_item_get function in items.c in memcached 1.4.4 and other versions before 1.4.17, when running in verbose mode, allows remote attackers to cause a denial of service (segmentation fault) via a…

Medium

CVE-2013-7239

memcached before 1.4.17 allows remote attackers to bypass authentication by sending an invalid request with SASL credentials, then sending another request with incorrect SASL credentials.

Low

CVE-2013-0179

The process_bin_delete function in memcached.c in memcached 1.4.4 and other versions before 1.4.17, when running in verbose mode, allows remote attackers to cause a denial of service (segmentation fa…

2013-12-12
Medium

CVE-2011-4971

Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and ea…

2013-07-17
Medium

CVE-2013-3798

Unspecified vulnerability in the MySQL Server component in Oracle MySQL 5.6.11 and earlier allows remote attackers to affect integrity and availability via unknown vectors related to MemCached.

2013-04-17
Medium

CVE-2013-1570

Unspecified vulnerability in Oracle MySQL 5.6.10 and earlier allows remote attackers to affect availability via unknown vectors related to MemCached.

2012-10-22
Critical

CVE-2012-4406

OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle Python module unsafely when storing and loading metadata in memcached, which allows remote attackers to execute arb…

2010-04-12
Medium

CVE-2010-1152

memcached.c in memcached before 1.4.3 allows remote attackers to cause a denial of service (daemon hang or crash) via a long line that triggers excessive memory allocation. NOTE: some of these detai…

2009-08-10
Critical

CVE-2009-2415

Multiple integer overflows in memcached 1.1.12 and 1.2.2 allow remote attackers to execute arbitrary code via vectors involving length attributes that trigger heap-based buffer overflows.

2009-04-30
Medium

CVE-2009-1494

The process_stat function in Memcached 1.2.8 discloses memory-allocation statistics in response to a stats malloc command, which allows remote attackers to obtain potentially sensitive information by…

Medium

CVE-2009-1255

The process_stat function in (1) Memcached before 1.2.8 and (2) MemcacheDB 1.2.0 discloses (a) the contents of /proc/self/maps in response to a stats maps command and (b) memory-allocation statistics…

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