CVE-2022-22823

NameCVE-2022-22823
Descriptionbuild_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh
Debian Bugs1003474

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
expat (PTS)stretch (security), stretch2.2.0-2+deb9u3vulnerable
buster, buster (security)2.2.6-2+deb10u1vulnerable
bullseye2.2.10-2vulnerable
bookworm, sid2.4.3-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
expatsource(unstable)2.4.3-11003474

Notes

https://github.com/libexpat/libexpat/pull/539
https://github.com/libexpat/libexpat/commit/9f93e8036e842329863bf20395b8fb8f73834d9e

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