CVEvulnerability

CVE-2009-3560

5.0 MEDIUM Published 2009-12-04 Modified 2026-06-16 Official page ↗
Status
Modified
Published
2009-12-04
Last modified
2026-06-16
Assigner
[email protected]
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-119

Description

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.

Affected configurations

• libexpat project libexpat 2.0.1 • apache http server (>= 2.0.35 < 2.0.64) • apache http server (>= 2.2.0 < 2.2.17)

Related

Weakness · CWE (1)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness

References