{"id":"JLSEC-2026-154","details":"Stack overflow in the `parse_tag` function in `libass/ass_parse.c` in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.","modified":"2026-07-25T18:23:56.734734260Z","published":"2026-04-20T18:02:38.348Z","upstream":["CVE-2020-24994"],"database_specific":{"license":"CC-BY-4.0","sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-24994","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24994","database_specific":{"status":"Modified"},"id":"CVE-2020-24994","imported":"2026-07-17T21:15:22.898Z","modified":"2026-06-17T03:06:13.203Z","published":"2021-03-23T20:15:13.073Z"}]},"references":[{"type":"WEB","url":"https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e"},{"type":"WEB","url":"https://github.com/libass/libass/issues/422"},{"type":"WEB","url":"https://github.com/libass/libass/issues/422#issuecomment-806002919"},{"type":"WEB","url":"https://github.com/libass/libass/issues/423"}],"affected":[{"package":{"name":"libass_jll","ecosystem":"Julia","purl":"pkg:julia/libass_jll?uuid=0ac62f75-1d6f-5e53-bd7c-93b484bb37c0"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.15.1+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-154.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:M/Au:N/C:P/I:P/A:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}