Vulnerability · Published Apr 3, 2026 · Assigned by mitre
CVE-2026-35549
Medium 6.5
In plain English
A medium-severity security flaw in MariaDB from MariaDB. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 81.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | mariadb | 1:11.8.6-0+deb13u1 | DEBIAN-CVE-2026-35549 |
| Debian:14 | mariadb | 1:11.8.6-1 | DEBIAN-CVE-2026-35549 |
| Ubuntu:24.04:LTS | mariadb | no fix listed | UBUNTU-CVE-2026-35549 |
| Ubuntu:25.10 | mariadb | no fix listed | UBUNTU-CVE-2026-35549 |
| Ubuntu:22.04:LTS | mariadb-10.6 | no fix listed | UBUNTU-CVE-2026-35549 |
Affected products (as reported)
Weakness: CWE-789 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H