{"id":"CVE-2020-21686","state":"PUBLISHED","title":"A stack-use-after-scope issue discovered in expand_mmac_params function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm fil","description":"A stack-use-after-scope issue discovered in expand_mmac_params function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm file.","publishedAt":"2023-08-22T00:00:00.000Z","updatedAt":"2024-10-07T15:09:12.200Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://bugzilla.nasm.us/show_bug.cgi?id=3392643"],"weaknesses":["CWE-562"],"ingestedAt":"2026-10-29T19:46:55.619Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/21xxx/CVE-2020-21686.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-21686","state":"PUBLISHED","datePublished":"2023-08-22T00:00:00.000Z","dateUpdated":"2024-10-07T15:09:12.200Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2020-08-13T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A stack-use-after-scope issue discovered in expand_mmac_params function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm file."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392643"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2023-08-22T15:44:35.359Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392643","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T14:30:33.579Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-10-07T15:08:02.781696Z","id":"CVE-2020-21686","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-562","type":"CWE","lang":"en","description":"CWE-562 Return of Stack Variable Address"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-10-07T15:09:12.200Z"}}]}}}