CVEvulnerability
CVE-2026-82631
1.2 LOW
Official page ↗
- Status
- Deferred
- Published
- 2026-08-31
- Last modified
- 2026-08-31
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 1.2 LOW — 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 2.2 LOW — CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 1.7 LOW — AV:N/AC:H/Au:M/C:N/I:N/A:P
- Weaknesses
- CWE-119, CWE-416
Description
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.
Related
References
- https://github.com/user-attachments/files/30111628/PoC.zip github.com
- https://github.com/valkey-io/valkey/ github.com
- https://github.com/valkey-io/valkey/commit/b2fb0e13f5b4c8c2fb63dcfc2c37a067a0d6d20b github.com
- https://github.com/valkey-io/valkey/issues/4198 github.com
- https://github.com/valkey-io/valkey/pull/4212 github.com
- https://vuldb.com/cve/CVE-2026-82631 vuldb.com
- https://vuldb.com/submit/893793 vuldb.com
- https://vuldb.com/vuln/397129 vuldb.com
- https://vuldb.com/vuln/397129/cti vuldb.com