{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-6067", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-04-10T13:26:16.675Z", "datePublished": "2026-04-10T13:30:26.140Z", "dateUpdated": "2026-04-10T13:30:26.140Z"}, "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."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "NASM", "product": "NASM", "versions": [{"status": "affected", "version": "nasm-3.02rc5"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-787: Out-of-bounds Write"}]}], "references": [{"url": "https://github.com/netwide-assembler/nasm/issues/203"}], "x_generator": {"engine": "VINCE 3.0.35", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-6067"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-04-10T13:30:26.140Z"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-6067", "lastModified": "2026-04-10T14:16:38.620", "metrics": {}, "published": "2026-04-10T14:16:38.620", "references": [{"source": "cret@cert.org", "url": "https://github.com/netwide-assembler/nasm/issues/203"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "nasm-3.02rc5"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "NASM", "source": "cna", "vendor": "NASM"}, "product": "nasm", "vendor": "nasm"}], "created": "2026-04-10T14:40:42.898238+00:00", "updated": "2026-04-10T14:40:42.898339+00:00", "vendors": ["nasm", "nasm$PRODUCT$nasm"]}