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Status published
Unknown
CVE-2022-25235
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation...
Vulnerability Description
xmltok_impl.c in Expat (aka libexpat) before 2.4.5 lacks certain validation of encoding, such as checks for whether a UTF-8 character is valid in a certain context.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/libexpat/libexpat/pull/562
- http://www.openwall.com/lists/oss-security/2022/02/19/1
- https://www.debian.org/security/2022/dsa-5085
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3UFRBA3UQVIQKXTBUQXDWQOVWNBKLERU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y27XO3JMKAOMQZVPS3B4MJGEAHCZF5OM/
- https://lists.debian.org/debian-lts-announce/2022/03/msg00007.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://security.netapp.com/advisory/ntap-20220303-0008/
- https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdf
- https://security.gentoo.org/glsa/202209-24
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Affected Vendor
libexpat project
View all reports →Affected Software
libexpat, debian linux, fedora, http server, zfs storage appliance kit, sinema remote connect server
Vulnerable Versions:
0, 10.0, 11.0, 34, 35, 12.2.1.3.0, 12.2.1.4.0, 8.8
Timeline
Official Publish:
February 16th, 2022
Last Modified:
May 5th, 2025
Added to House:
July 21st, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.