CVE-2026-73196

NameCVE-2026-73196
DescriptionA flaw was found in FreeIPA. A low-privilege authenticated user can exploit this vulnerability by submitting an oversized One-Time Password (OTP) key value. This oversized key is then decoded and re-encoded without proper size limits, consuming excessive CPU and memory resources. This can lead to a denial of service, degrading the availability of the IPA service.
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
freeipa (PTS)bookworm4.9.11-1vulnerable
trixie4.12.4-1vulnerable
sid4.13.1-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
freeipasource(unstable)(unfixed)unimportant

Notes

FreeIPA in Debian only builds the client packages, not the server
https://bugzilla.redhat.com/show_bug.cgi?id=2474712

Search for package or bug name: Reporting problems