CVE-2026-82677valkey-io valkey Module Timer module.c moduleTimerHandler double free
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 2.4 LOW (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
- Weakness (CWE)
- CWE-415, CWE-119
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 31, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
valkey-io valkey valkey-io:valkey | 9.1.0 | CNA record |
References
- https://vuldb.com/vuln/397172vdb-entry, technical-description
- https://vuldb.com/vuln/397172/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-82677third-party-advisory
- https://vuldb.com/submit/893959third-party-advisory
- https://github.com/valkey-io/valkey/issues/4200issue-tracking
- https://github.com/valkey-io/valkey/pull/4211issue-tracking, patch
- https://github.com/user-attachments/files/30118801/PoC.zipexploit
- https://github.com/valkey-io/valkey/commit/b349fe2821e3998534b1454c1b64a478daf8c6b7patch
- https://github.com/valkey-io/valkey/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.