CVE-2026-82677
Published: September 3, 2026Last modified: September 16, 2026
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 2.4 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | HIGH |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | LOW |
| Vector | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 25 LTS | valkey | Fixed (8.1.10-r0) |
| Stream | valkey | Unknown (9.0.3-r0) |
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