CVE-2023-52426

NameCVE-2023-52426
Descriptionlibexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1063240

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
expat (PTS)bullseye2.2.10-2+deb11u5vulnerable
bullseye (security)2.2.10-2+deb11u6vulnerable
bookworm2.5.0-1vulnerable
bookworm (security)2.5.0-1+deb12u1vulnerable
sid, trixie2.6.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
expatsource(unstable)2.6.0-1unimportant1063240

Notes

https://github.com/libexpat/libexpat/pull/777
https://github.com/libexpat/libexpat/commit/0f075ec8ecb5e43f8fdca5182f8cca4703da0404
https://github.com/libexpat/libexpat/pull/777#issuecomment-1965172301
CVE is for fixing billion laughs attacks for users compiling *without* XML_DTD defined,
which is not the case for Debian.

Search for package or bug name: Reporting problems