CVE-2026-35549

Name	CVE-2026-35549
Description	An issue was discovered in MariaDB Server before 11.4.10, 11.5.x through 11.8.x before 11.8.6, and 12.x before 12.2.2. If the caching_sha2_password authentication plugin is installed, and some user accounts are configured to use it, a large packet can crash the server because sha256_crypt_r uses alloca.
Source	CVE (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 Package	Release	Version	Status
mariadb (PTS)	bookworm	1:10.11.14-0+deb12u2	fixed
	trixie	1:11.8.6-0+deb13u1	fixed
	forky, sid	1:11.8.6-6	fixed

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

Package	Type	Release	Fixed Version
mariadb	source	bookworm	(not affected)
mariadb	source	trixie	1:11.8.6-0+deb13u1
mariadb	source	(unstable)	1:11.8.6-1

[bookworm] - mariadb <not-affected> (Vulnerable code not present)
https://jira.mariadb.org/browse/MDEV-38365