{"id":"JLSEC-2026-649","details":"An out-of-bounds read in the `read_global_param()` function (`libavcodec/av1dec.c`) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.","modified":"2026-07-25T18:25:21.240908007Z","published":"2026-06-26T20:24:16.337Z","upstream":["CVE-2026-30997"],"database_specific":{"sources":[{"html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-30997","database_specific":{"status":"Analyzed"},"id":"CVE-2026-30997","imported":"2026-07-17T22:19:36.721Z","modified":"2026-06-17T10:33:17.353Z","published":"2026-04-13T15:17:32.570Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-30997"}],"license":"CC-BY-4.0"},"references":[{"type":"WEB","url":"https://excellent-oatmeal-319.notion.site/CVE-2026-30997-Out-of-Bounds-Access-a7929817b9794568b2f7774397c7d65f"},{"type":"WEB","url":"https://github.com/FFmpeg/FFmpeg"}],"affected":[{"package":{"name":"FFMPEG_jll","ecosystem":"Julia","purl":"pkg:julia/FFMPEG_jll?uuid=b22a6f82-2f65-5046-a5b2-351ab43fb4e5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.1.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-649.json"}},{"package":{"name":"FFMPEG_nogpl_jll","ecosystem":"Julia","purl":"pkg:julia/FFMPEG_nogpl_jll?uuid=a6892c6b-5768-548c-b024-ff8dabf482c5"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.1.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-649.json"}},{"package":{"name":"FFplay_jll","ecosystem":"Julia","purl":"pkg:julia/FFplay_jll?uuid=c4dce911-e170-5107-8314-c7bdc6785395"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.1.2+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-649.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}