CVE-2024-26461

Name	CVE-2024-26461
Description	Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	ELA-1141-1
Debian Bugs	1064965

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
krb5 (PTS)	jessie, jessie (lts)	1.12.1+dfsg-19+deb8u9	fixed
	stretch (security)	1.15-1+deb9u3	vulnerable
	stretch (lts), stretch	1.15-1+deb9u6	fixed
	buster, buster (lts)	1.17-3+deb10u7	fixed
	buster (security)	1.17-3+deb10u6	vulnerable
	bullseye (security), bullseye	1.18.3-6+deb11u5	vulnerable
	bookworm (security), bookworm	1.20.1-2+deb12u2	vulnerable
	sid, trixie	1.21.3-3	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
krb5	source	jessie	1.12.1+dfsg-19+deb8u9		ELA-1141-1
krb5	source	stretch	1.15-1+deb9u6		ELA-1141-1
krb5	source	buster	1.17-3+deb10u7		ELA-1141-1
krb5	source	(unstable)	(unfixed)	unimportant		1064965

Notes

https://github.com/LuMingYinDetect/krb5_defects/blob/main/krb5_detect_2.md
Fixed by: https://github.com/krb5/krb5/commit/c5f9c816107f70139de11b38aa02db2f1774ee0d
Codepath cannot be triggered via API calls, negligible security impact
https://mailman.mit.edu/pipermail/kerberos/2024-March/023095.html