{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-0821","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-01-09T18:24:17.150Z","datePublished":"2026-01-10T13:02:07.698Z","dateUpdated":"2026-02-23T08:27:54.300Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-02-23T08:27:54.300Z"},"title":"quickjs-ng quickjs quickjs.c js_typed_array_constructor heap-based overflow","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-122","lang":"en","description":"Heap-based Buffer Overflow"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-119","lang":"en","description":"Memory Corruption"}]}],"affected":[{"vendor":"quickjs-ng","product":"quickjs","versions":[{"version":"0.1","status":"affected"},{"version":"0.2","status":"affected"},{"version":"0.3","status":"affected"},{"version":"0.4","status":"affected"},{"version":"0.5","status":"affected"},{"version":"0.6","status":"affected"},{"version":"0.7","status":"affected"},{"version":"0.8","status":"affected"},{"version":"0.9","status":"affected"},{"version":"0.10","status":"affected"},{"version":"0.11.0","status":"affected"}]}],"descriptions":[{"lang":"en","value":"A vulnerability was determined in quickjs-ng quickjs up to 0.11.0. This vulnerability affects the function js_typed_array_constructor of the file quickjs.c. Executing a manipulation can lead to heap-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called c5d80831e51e48a83eab16ea867be87f091783c5. A patch should be applied to remediate this issue."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":7.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"HIGH"}},{"cvssV3_0":{"version":"3.0","baseScore":7.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C","baseSeverity":"HIGH"}},{"cvssV2_0":{"version":"2.0","baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C"}}],"timeline":[{"time":"2026-01-09T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-01-09T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-01-16T01:25:36.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"mcsky23 (VulDB User)","type":"reporter"}],"references":[{"url":"https://vuldb.com/?id.340355","name":"VDB-340355 | quickjs-ng quickjs quickjs.c js_typed_array_constructor heap-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.340355","name":"VDB-340355 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.731780","name":"Submit #731780 | quickjs-ng quickjs v0.11.0 Heap-based Buffer Overflow","tags":["third-party-advisory"]},{"url":"https://github.com/quickjs-ng/quickjs/issues/1296","tags":["issue-tracking"]},{"url":"https://github.com/quickjs-ng/quickjs/pull/1299","tags":["issue-tracking"]},{"url":"https://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395","tags":["exploit","issue-tracking"]},{"url":"https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5","tags":["patch"]},{"url":"https://github.com/quickjs-ng/quickjs/","tags":["product"]}],"tags":["x_open-source"]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-12T14:36:45.372311Z","id":"CVE-2026-0821","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"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":"2026-01-12T14:36:51.911Z"}}]}}