CVE-2026-112315

NameCVE-2026-112315
DescriptionThe RPCSEC_GSS authentication routines in lib/rpc/authgss_prot.c in MIT Kerberos 5 (aka krb5) 1.4 and later do not free partially decoded buffers on failure, which allows remote attackers to cause a denial of service (memory leak in kadmind) via crafted RPCSEC_GSS messages.
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)
Debian Bugs1153598

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
krb5 (PTS)bookworm, bookworm (security)1.20.1-2+deb12u5vulnerable
trixie (security), trixie1.21.3-5+deb13u1vulnerable
forky, sid1.22.1-3vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
krb5source(unstable)(unfixed)1153598

Notes

https://mailman.mit.edu/pipermail/kerberos-announce/2026q4/000212.html

Search for package or bug name: Reporting problems