CVE-2026-107819
CVE-2026-107819 · MariaDB Connector/C: libmariadb allowed cleartext password leakage on TLS hostname verification failure
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
MariaDB Connector/C is a C and C++ client library for connecting applications to MariaDB and MySQL databases. From 3.4.1 until 3.4.10, the MariaDB Connector/C libmariadb Zero-Configuration SSL authentication-switch logic checked certificate trust failure but did not reject a TLS hostname verification mismatch before selecting a non-hashing authentication plugin. An active man-in-the-middle attacker with a valid certificate for another hostname could request mysql_clear_password and obtain the database password inside the attacker-controlled TLS connection. Other MariaDB connectors are not affected. This issue is fixed in version 3.4.10.
CVSS 5.9 · Media · EPSS 0,3%
- Publicación
- Actualización
Pila tecnológica: system · database
Productos y versiones afectados
server
- Versiones
- >= 3.4.1, < 3.4.10: Afectada
Sin corrección publicada
mariadb Ubuntu:24.04:LTS
- Versiones
- 1:10.11.4-1
- 1:10.11.5-3
- 1:10.11.6-1
- 1:10.11.6-2
- 1:10.11.7-2ubuntu1
- 1:10.11.7-2ubuntu2
- 1:10.11.8-0ubuntu0.24.04.1
- 1:10.11.11-0ubuntu0.24.04.2
- 1:10.11.13-0ubuntu0.24.04.1
- 1:10.11.14-0ubuntu0.24.04.1
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
mariadb Ubuntu:26.10
- Versiones
- 1:11.8.6-5
- 1:11.8.8-1
- 1:11.8.9+ds-4ubuntu2
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
mariadb Ubuntu:26.04:LTS
- Versiones
- 1:11.8.3-1build1
- 1:11.8.5-1
- 1:11.8.5-2
- 1:11.8.5-3
- 1:11.8.5-4
- 1:11.8.6-1
- 1:11.8.6-3
- 1:11.8.6-4
- 1:11.8.6-5
- 1:11.8.6-5ubuntu0.1
- Intervalos de versiones afectados
- ECOSYSTEM: (−∞, +∞)
Sin corrección publicada
Fuentes originales
- https://github.com/MariaDB/server/security/advisories/GHSA-fmq9-qjxj-qpf7
- https://github.com/mariadb-corporation/mariadb-connector-c/commit/e8c0a16d94ddf844668d684a7d42b37ac8e0fc02
- https://github.com/mariadb-corporation/mariadb-connector-c/releases/tag/v3.4.10
- https://jira.mariadb.org/browse/CONC-846
- https://nvd.nist.gov/vuln/detail/CVE-2026-107819