CVE-2026-82631
Gravedad CVSS v4.0:
BAJA
Tipo:
CWE-119
Restricción de operaciones inapropiada dentro de los límites del búfer de la memoria
Fecha de publicación:
31/08/2026
Última modificación:
31/08/2026
Descripción
*** Pendiente de traducción *** A security flaw has been discovered in valkey-io valkey 9.1.0. The affected element is the function handleClientsBlockedOnKey of the file src/blocked.c of the component Blocked-on-keys Subsystem. The manipulation results in use after free. The attack may be performed from remote. A high complexity level is associated with this attack. The exploitability is described as difficult. The exploit has been released to the public and may be used for attacks. The patch is identified as b2fb0e13f5b4c8c2fb63dcfc2c37a067a0d6d20b. Applying a patch is advised to resolve this issue.
Impacto
Puntuación base 4.0
1.20
Gravedad 4.0
BAJA
Puntuación base 3.x
2.20
Gravedad 3.x
BAJA
Puntuación base 2.0
1.70
Gravedad 2.0
BAJA
Referencias a soluciones, herramientas e información
- https://github.com/user-attachments/files/30111628/PoC.zip
- https://github.com/valkey-io/valkey/
- https://github.com/valkey-io/valkey/commit/b2fb0e13f5b4c8c2fb63dcfc2c37a067a0d6d20b
- https://github.com/valkey-io/valkey/issues/4198
- https://github.com/valkey-io/valkey/pull/4212
- https://vuldb.com/cve/CVE-2026-82631
- https://vuldb.com/submit/893793
- https://vuldb.com/vuln/397129
- https://vuldb.com/vuln/397129/cti