CVE-2021-46143

NameCVE-2021-46143
DescriptionIn doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize.
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 severitymedium

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)2.4.3-1

Notes

https://github.com/libexpat/libexpat/issues/532
https://github.com/libexpat/libexpat/pull/538
https://github.com/libexpat/libexpat/commit/85ae9a2d7d0e9358f356b33977b842df8ebaec2b

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