{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3979","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-03-11T14:26:13.418Z","datePublished":"2026-03-12T03:32:14.860Z","dateUpdated":"2026-03-12T16:16:09.904Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-03-12T03:32:14.860Z"},"title":"quickjs-ng quickjs quickjs.c js_iterator_concat_return use after free","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-416","lang":"en","description":"Use After Free"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"quickjs-ng","product":"quickjs","versions":[{"version":"0.12.0","status":"affected"},{"version":"0.12.1","status":"affected"}]}],"descriptions":[{"lang":"en","value":"A flaw has been found in quickjs-ng quickjs up to 0.12.1. This affects the function js_iterator_concat_return of the file quickjs.c. This manipulation causes use after free. The attack requires local access. The exploit has been published and may be used. Patch name: daab4ad4bae4ef071ed0294618d6244e92def4cd. Applying a patch is the recommended action to fix this issue."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}],"timeline":[{"time":"2026-03-11T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-03-11T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-03-11T15:31:30.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"im-razvan (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/?id.350414","name":"VDB-350414 | quickjs-ng quickjs quickjs.c js_iterator_concat_return use after free","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.350414","name":"VDB-350414 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.769600","name":"Submit #769600 | quickjs-ng QuickJS 0.12.1 Use-After-Free","tags":["third-party-advisory"]},{"url":"https://github.com/quickjs-ng/quickjs/issues/1368","tags":["issue-tracking"]},{"url":"https://github.com/quickjs-ng/quickjs/pull/1370","tags":["issue-tracking","patch"]},{"url":"https://github.com/quickjs-ng/quickjs/issues/1368#issue-4004680962","tags":["exploit","issue-tracking"]},{"url":"https://github.com/quickjs-ng/quickjs/commit/daab4ad4bae4ef071ed0294618d6244e92def4cd","tags":["patch"]},{"url":"https://github.com/quickjs-ng/quickjs/","tags":["product"]}],"tags":["x_open-source"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-12T13:45:12.778902Z","id":"CVE-2026-3979","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":"2026-03-12T16:16:09.904Z"}}]}}