{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-82677","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-08-30T16:36:08.965Z","datePublished":"2026-08-31T10:00:15.053Z","dateUpdated":"2026-08-31T15:09:07.620Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-08-31T10:00:15.053Z"},"title":"valkey-io valkey Module Timer module.c moduleTimerHandler double free","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-415","lang":"en","description":"Double Free"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"valkey-io","product":"valkey","versions":[{"version":"9.1.0","status":"affected"}],"cpes":["cpe:2.3:a:valkey-io:valkey:*:*:*:*:*:*:*:*"],"modules":["Module Timer Subsystem"]}],"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":2.4,"vectorString":"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","baseSeverity":"LOW"}},{"cvssV3_0":{"version":"3.0","baseScore":2.4,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","baseSeverity":"LOW"}},{"cvssV2_0":{"version":"2.0","baseScore":3.3,"vectorString":"AV:N/AC:L/Au:M/C:N/I:N/A:P/E:POC/RL:OF/RC:C"}}],"timeline":[{"time":"2026-08-30T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-08-30T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-08-30T18:41:14.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"VULL (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/vuln/397172","name":"VDB-397172 | valkey-io valkey Module Timer module.c moduleTimerHandler double free","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/397172/cti","name":"VDB-397172 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-82677","name":"CVE-2026-82677 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/893959","name":"Submit #893959 | Valkey Project Valkey 9.1.0 Double Free","tags":["third-party-advisory"]},{"url":"https://github.com/valkey-io/valkey/issues/4200","tags":["issue-tracking"]},{"url":"https://github.com/valkey-io/valkey/pull/4211","tags":["issue-tracking","patch"]},{"url":"https://github.com/user-attachments/files/30118801/PoC.zip","tags":["exploit"]},{"url":"https://github.com/valkey-io/valkey/commit/b349fe2821e3998534b1454c1b64a478daf8c6b7","tags":["patch"]},{"url":"https://github.com/valkey-io/valkey/","tags":["product"]}],"tags":["x_open-source"],"x_generator":["VulDB PVTS v202608"]},"adp":[{"references":[{"url":"https://vuldb.com/submit/893959","tags":["exploit"]},{"url":"https://github.com/valkey-io/valkey/issues/4200","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-31T15:08:56.209775Z","id":"CVE-2026-82677","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-31T15:09:07.620Z"}}]}}