{"id":"CVE-2020-18780","details":"A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to cause a denial of service via crafted nasm command.","modified":"2026-09-08T14:12:11.699836Z","published":"2023-08-22T19:15:55.740Z","references":[{"type":"REPORT","url":"https://bugzilla.nasm.us/show_bug.cgi?id=3392634"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/netwide-assembler/nasm","events":[{"introduced":"74246c499ea4313fb8837977dc0c135fc50567c0"},{"last_affected":"74246c499ea4313fb8837977dc0c135fc50567c0"}],"database_specific":{"cpe":"cpe:2.3:a:nasm:netwide_assembler:2.14.02:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.14.02"},{"last_affected":"2.14.02"}],"source":"CPE_STRING"}}],"versions":["2.14.02","nasm-2.14.02"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-18780.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}