CVE-2024-26458

Publication date 29 February 2024

Last updated 19 August 2025

Ubuntu priority

Cvss 3 Severity Score

Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c.

leak in unused function

Show unmaintained releases

Package	Ubuntu Release	Status
krb5	25.10 questing	Fixed 1.21.3-4ubuntu2
	25.04 plucky	Fixed 1.21.3-4ubuntu2
	24.10 oracular	Fixed 1.21.3-3ubuntu0.2
	24.04 LTS noble	Fixed 1.20.1-6ubuntu2.5
	23.10 mantic	Ignored end of life, was needed
	22.04 LTS jammy	Fixed 1.19.2-2ubuntu0.6
	20.04 LTS focal	Fixed 1.17-6ubuntu4.9
	18.04 LTS bionic	Vulnerable
	16.04 LTS xenial	Vulnerable
	14.04 LTS trusty	Vulnerable

per upstream: "The pmap_rmt.c leak only affects pmap_rmtcall(), which is unused by the rest of the krb5 code base and likely unused by anyone else."

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
krb5	Upstream: c5f9c81