{"id":"CVE-2026-6067","state":"PUBLISHED","title":"CVE-2026-6067","description":"A heap buffer overflow vulnerability exists in the Netwide Assembler (NASM) due to a lack of bounds checking in the obj_directive() function. This vulnerability can be exploited by a user assembling a malicious .asm file, potentially leading to heap memory corruption, denial of service (crash), and arbitrary code execution.","publishedAt":"2026-04-10T13:30:26.140Z","updatedAt":"2026-04-10T14:58:07.818Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"certcc","products":["NASM NASM"],"affected":[{"vendor":"NASM","product":"NASM","versions":[{"version":"nasm-3.02rc5","status":"affected"}]}],"references":["https://github.com/netwide-assembler/nasm/issues/203"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/6xxx/CVE-2026-6067.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6067","state":"PUBLISHED","datePublished":"2026-04-10T13:30:26.140Z","dateUpdated":"2026-04-10T14:58:07.818Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2026-04-10T13:26:16.675Z"},"containers":{"cna":{"title":"CVE-2026-6067","descriptions":[{"lang":"en","value":"A heap buffer overflow vulnerability exists in the Netwide Assembler (NASM) due to a lack of bounds checking in the obj_directive() function. This vulnerability can be exploited by a user assembling a malicious .asm file, potentially leading to heap memory corruption, denial of service (crash), and arbitrary code execution."}],"affected":[{"vendor":"NASM","product":"NASM","versions":[{"version":"nasm-3.02rc5","status":"affected"}]}],"references":[{"url":"https://github.com/netwide-assembler/nasm/issues/203"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-787: Out-of-bounds Write"}]}],"providerMetadata":{"shortName":"certcc","orgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateUpdated":"2026-04-10T13:30:26.140Z"},"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"VINCE 3.0.35","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-6067"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-10T14:57:25.595690Z","id":"CVE-2026-6067","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-10T14:58:07.818Z"}}]}}}