CVE-2026-35549

State: Published
Severity: 6.5 Medium
Published: Apr 3, 2026
Updated: Apr 3, 2026
Reserved: Apr 3, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	mitre

Weaknesses

CWE-789 Memory Allocation with Excessive Size Value

Affected Products

Product	Versions
MariaDBMariaDB	before 11.4.10Affected 11.5.0 to before 11.8.6Affected 12.0.0 to before 12.2.2Affected

References

https://jira.mariadb.org/browse/MDEV-38365

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