CVE-2026-82677CWE-119CWE-415

CVE-2026-82677

Low · published August 31, 2026

CVSS v3.1
2.4
EPSS
1%
Percentile
43.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
2.4 · LOW
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L
CVSS v4.0
4.8 · 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
EPSS
0.00515 · 43.1th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-415 · Double Free
Published
2026-08-31T14:16Z
References (11)
https://github.com/user-attachments/files/30118801/PoC.zip · [email protected]https://github.com/valkey-io/valkey/ · [email protected]https://github.com/valkey-io/valkey/commit/b349fe2821e3998534b1454c1b64a478daf8c6b7 · [email protected]https://github.com/valkey-io/valkey/issues/4200 · [email protected]https://github.com/valkey-io/valkey/pull/4211 · [email protected]https://vuldb.com/cve/CVE-2026-82677 · [email protected]https://vuldb.com/submit/893959 · [email protected]https://vuldb.com/vuln/397172 · [email protected]https://vuldb.com/vuln/397172/cti · [email protected]https://github.com/valkey-io/valkey/issues/4200 · 134c704f-9b21-4f2e-91b3-4a467353bcc0https://vuldb.com/submit/893959 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 02 SEP 03:40Z
    EPSS moved — → 0%
    epss
  • 31 AUG 10:00Z
    valkey-io valkey Module Timer module.c moduleTimerHandler double free
    cvelistv5