CVE-2026-35549 | THREATINT

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.

PUBLISHED Reserved 2026-04-03 | Published 2026-04-03 | Updated 2026-04-03 | Assigner mitre

MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem types

CWE-789 Memory Allocation with Excessive Size Value

Product status

Default status

unaffected

Any version before 11.4.10

affected

11.5.0 (semver) before 11.8.6

affected

12.0.0 (semver) before 12.2.2

affected

References

jira.mariadb.org/browse/MDEV-38365

cve.org (CVE-2026-35549)

nvd.nist.gov (CVE-2026-35549)

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