valkey-io valkey Blocked-on-keys blocked.c handleClientsBlockedOnKey use after free
28Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 2.1epss 0.4%
probabilidad de explotación
0.4%top 70% de las CVE
explotación observada
noninguna fuente lo reporta
1 exploit(s) público(s)
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.
CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Productos afectados
valkey-io · valkeyPoCs públicas encontradas — 1
cve_referencegithub.com/user-attachments/files/30111628/PoC.zipno verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
Referencias
https://github.com/user-attachments/files/30111628/PoC.ziphttps://github.com/valkey-io/valkey/https://github.com/valkey-io/valkey/commit/b2fb0e13f5b4c8c2fb63dcfc2c37a067a0d6d20bhttps://github.com/valkey-io/valkey/issues/4198https://github.com/valkey-io/valkey/pull/4212https://vuldb.com/cve/CVE-2026-82631https://vuldb.com/submit/893793https://vuldb.com/vuln/397129https://vuldb.com/vuln/397129/cti