CVE-2021-46669: Debian Linux

High severity, CVSS 7.5. EPSS: 2.4% chance of exploitation in the next 30 days.

MariaDB through 10.5.9 allows attackers to trigger a convert_const_to_int use-after-free when the BIGINT data type is used.

Affected products

  • Debian Debian Linux: version 10.0 only
  • Fedoraproject Fedora: version 35 only; version 36 only
  • MariaDB MariaDB: before 10.2.44 (fixed in 10.2.44); from 10.3.0, before 10.3.35 (fixed in 10.3.35); from 10.4.0, before 10.4.25 (fixed in 10.4.25); from 10.5.0, before 10.5.16 (fixed in 10.5.16); from 10.6.0, before 10.6.8 (fixed in 10.6.8); from 10.7.0, before 10.7.4 (fixed in 10.7.4)

Published 2022-02-01. Last modified 2026-06-17.