{"id":"CVE-2023-31972","aliases":["AZL-26633","AZL-35380","DEBIAN-CVE-2023-31972","EUVD-2023-36261","GHSA-6x4f-2mq8-x8gv"],"status":"disputed","title":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm...","description":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00288,"percentile":0.21484,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2023-05-09T00:00:00Z","modified":"2026-11-05T05:40:51Z","affected":[{"source":"osv","ecosystem":"Azure Linux:2","package":"yasm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.3.0-17"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"yasm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.3.0-17"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"yasm","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"]},{"source":"osv","ecosystem":"Debian:13","package":"yasm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-7","1.3.0-8"]},{"source":"osv","ecosystem":"Debian:14","package":"yasm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.3.0-7","1.3.0-8"]}],"products":[{"vendor":"tortall","product":"yasm"}],"references":[{"url":"https://github.com/yasm/yasm/issues/209","tags":["x_transferred","Exploit","Issue Tracking","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31972","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-6x4f-2mq8-x8gv"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31972.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-31972","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-31972","description":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.","status":"disputed","published":"2023-05-09T00:00:00Z","modified":"2025-01-29T18:35:12.364Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:35:27.430605Z"}],"euvd":[{"id":"EUVD-2023-36261","description":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.","status":"published","published":"2023-05-09T00:00:00Z","modified":"2025-01-29T18:35:12Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:09.89712Z"}],"ghsa":[{"id":"GHSA-6x4f-2mq8-x8gv","title":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm...","description":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c.","status":"published","published":"2023-05-09T15:30:32Z","modified":"2024-04-04T03:55:31Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:56:19.559732Z"}],"nvd":[{"id":"CVE-2023-31972","description":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.","status":"disputed","published":"2023-05-09T13:15:18.503Z","modified":"2026-06-17T05:57:45.06Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:08:01.131774Z"}],"osv":[{"id":"AZL-26633","title":"CVE-2023-31972 affecting package yasm 1.3.0-17","description":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.","status":"published","published":"2023-05-09T13:15:18Z","modified":"2026-04-21T04:23:43.139162Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:03.093433Z"},{"id":"AZL-35380","title":"CVE-2023-31972 affecting package yasm 1.3.0-17","description":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.","status":"published","published":"2023-05-09T13:15:18Z","modified":"2026-11-05T05:40:51Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-05T16:41:19.554273Z"},{"id":"CVE-2023-31972","description":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.","status":"published","published":"2023-05-09T00:00:00Z","modified":"2026-10-28T02:31:10.224731506Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:31.790231Z"},{"id":"DEBIAN-CVE-2023-31972","description":"yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.","status":"published","published":"2023-05-09T13:15:18.503Z","modified":"2026-10-26T18:01:50.743311361Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:39.679062Z"}]}}