CVE-2009-3560

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.

Risk Information

Base Score
7.5
MODERATE
Vector
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
2.83

Associated Vulnerability

VulnerabilityOS Platform
Update Apache to version 2.2.16Windows
Update Apache to version 2.0.64Windows
Vulnerabilities CVE-2009-3560,CVE-2009-3720,CVE-2010-1623 are fixed in Apache 2.2.17Windows
Multiple vulnerabilities are fixed in Apache 2.0.64Windows
Update Apache to version 2.2.16 (For Linux)Linux
Update Apache to version 2.0.64 (For Linux)Linux
Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2009-3560)NCM

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234