{"id":"DEBIAN-CVE-2023-31973","details":"yasm v1.3.0 was discovered to contain a use after free via the function expand_mmac_params at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.","modified":"2026-09-15T09:02:42.453027657Z","published":"2023-05-09T14:15:13.737Z","upstream":["CVE-2023-31973"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-31973"}],"affected":[{"package":{"name":"yasm","ecosystem":"Debian:12","purl":"pkg:deb/debian/yasm?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-4","1.3.0-5","1.3.0-6","1.3.0-7","1.3.0-8"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-31973.json"}},{"package":{"name":"yasm","ecosystem":"Debian:13","purl":"pkg:deb/debian/yasm?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-7","1.3.0-8"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-31973.json"}},{"package":{"name":"yasm","ecosystem":"Debian:14","purl":"pkg:deb/debian/yasm?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-7","1.3.0-8"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-31973.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"}]}