CVE-2026-35549

Summary

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.

Affected Software

VendorProductVersion RangeStatus
MariaDBMariaDB0 < 11.4.10affected
MariaDBMariaDB11.5.0 < 11.8.6affected
MariaDBMariaDB12.0.0 < 12.2.2affected

Weaknesses

  • CWE-789: CWE-789 Memory Allocation with Excessive Size Value

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References