{"id":"JLSEC-2026-589","details":"An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in `nasm_parser_directive()` in `modules/parsers/nasm/nasm-parse.c`.","modified":"2026-07-25T18:24:40.599095028Z","published":"2026-06-08T13:43:52.905Z","upstream":["CVE-2021-33459"],"database_specific":{"license":"CC-BY-4.0","sources":[{"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33459","database_specific":{"status":"Modified"},"id":"CVE-2021-33459","imported":"2026-07-17T22:12:00.389Z","modified":"2026-06-17T03:54:35.400Z","published":"2022-07-26T13:15:09.500Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2021-33459"}]},"references":[{"type":"WEB","url":"https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d"},{"type":"WEB","url":"https://github.com/yasm/yasm/issues/167"}],"affected":[{"package":{"name":"YASM_jll","ecosystem":"Julia","purl":"pkg:julia/YASM_jll?uuid=997772c2-56d0-5ccd-9329-3f55f14e5768"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-589.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}