# CVE-2026-82677: valkey: A vulnerability was determined in valkey-io valkey 9.1.0

CVE-2026-82677 is fixed in 4 products on 1 platform, first by DEBIAN-CVE-2026-82677, released September 17, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-82677
- Priority: Routine
- CVSS: n/a (moderate)
- EPSS: 0.0029
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 31, 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | valkey Debian 13.5 (trixie) | 8.1.1+dfsg1-3+deb13u3 | [DEBIAN-CVE-2026-82677](https://patchblox.com/security/data/fix/linux/debian-cve-2026-82677.md) | Sep 17, 2026 |
| Linux | valkey Debian 14 | 9.1.2-1 | [DEBIAN-CVE-2026-82677](https://patchblox.com/security/data/fix/linux/debian-cve-2026-82677.md) | Sep 17, 2026 |
| Linux | valkey amzn 2023 | 9.0.6-1.amzn2023.0.1 | [ALAS2023-2026-3091](https://patchblox.com/security/data/fix/linux/alas2023-2026-3091.md) | Sep 28, 2026 |
| Linux | valkey-debuginfo amzn 2023 | 9.0.6-1.amzn2023.0.1 | [ALAS2023-2026-3091](https://patchblox.com/security/data/fix/linux/alas2023-2026-3091.md) | Sep 28, 2026 |
| Linux | valkey-debugsource amzn 2023 | 9.0.6-1.amzn2023.0.1 | [ALAS2023-2026-3091](https://patchblox.com/security/data/fix/linux/alas2023-2026-3091.md) | Sep 28, 2026 |
| Linux | valkey-devel amzn 2023 | 9.0.6-1.amzn2023.0.1 | [ALAS2023-2026-3091](https://patchblox.com/security/data/fix/linux/alas2023-2026-3091.md) | Sep 28, 2026 |

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Data as of 2026-11-09T13:31:49Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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