CVE-2026-56003

NameCVE-2026-56003
DescriptionA heap buffer overflow due to missing size checking in the property bu ...
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libxfont (PTS)bullseye1:2.0.4-1vulnerable
bookworm, trixie1:2.0.6-1vulnerable
forky, sid1:2.0.6-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libxfontsource(unstable)(unfixed)

Notes

https://www.openwall.com/lists/oss-security/2026/07/08/1
Fixed by: https://gitlab.freedesktop.org/xorg/lib/libxfont/-/commit/dff957a5158da038a282a59a31fe736702732939 (libXfont2-2.0.8)

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