CVE Daily

CVE-2009-3560

The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in ...

Medium CVSS 5.0

Overview

The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a denial of service (application crash) via an XML document with malformed UTF-8 sequences that trigger a buffer over-read, related to the doProlog function in lib/xmlparse.c, a different vulnerability than CVE-2009-2625 and CVE-2009-3720.

CWE: CWE-119 Published: 2009-12-04T21:30:00.500
Risk analysis

This vulnerability is rated 🟡 MEDIUM.

  • CVSS: 5.0 (MEDIUM)
  • Detected tags: none (tag impact: LOW)

Recommended actions:

  • Prioritize remediation based on business criticality and exposure.
  • Limit exposure and increase monitoring until fixed.

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