CVE-2026-82677
Publication date 31 August 2026
Last updated 31 August 2026
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| valkey | 26.04 LTS resolute |
Needs evaluation
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy | Not in release |
Severity score breakdown
CVSS version:
Base score
1.9 · Low
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Base score
2.4 · Low
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L
References
Other references
- https://www.cve.org/CVERecord?id=CVE-2026-82677
- 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