Description
A vulnerability was determined in valkey-io valkey 9.1.0. Impacted is the function moduleTimerHandler of the file src/module.c of the component Module Timer Subsystem. This manipulation causes double free. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: b349fe2821e3998534b1454c1b64a478daf8c6b7. To fix this issue, it is recommended to deploy a patch.
Metrics
CVSS 3.1 2.4/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:LWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| valkey-io | valkey | 9.1.0 |
References
- https://github.com/user-attachments/files/30118801/PoC.zip
- https://github.com/valkey-io/valkey/
- https://github.com/valkey-io/valkey/commit/b349fe2821e3998534b1454c1b64a478daf8c6b7
- https://github.com/valkey-io/valkey/issues/4200
- https://github.com/valkey-io/valkey/pull/4211
- https://vuldb.com/cve/CVE-2026-82677
- https://vuldb.com/submit/893959
- https://vuldb.com/vuln/397172
- https://vuldb.com/vuln/397172/cti
- https://github.com/valkey-io/valkey/issues/4200
- https://vuldb.com/submit/893959
Timeline
- Published
- Aug 31, 2026
- Last modified
- Aug 31, 2026
- NVD status
- Deferred