{"id":"JLSEC-2025-113","summary":"Buffer Overflow vulnerability exists in FFmpeg 4.1 via `apng_do_inverse_blend` in...","details":"Buffer Overflow vulnerability exists in FFmpeg 4.1 via `apng_do_inverse_blend` in `libavcodec/pngenc.c`, which could let a remote malicious user cause a Denial of Service","modified":"2026-07-23T22:30:06.444512717Z","published":"2025-10-19T19:08:53.760Z","upstream":["CVE-2020-21041"],"database_specific":{"license":"CC-BY-4.0","sources":[{"id":"CVE-2020-21041","imported":"2026-07-17T20:34:16.881Z","modified":"2026-06-17T03:03:30.677Z","published":"2021-05-24T18:15:07.800Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-21041","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2020-21041","database_specific":{"status":"Modified"}}]},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html"},{"type":"WEB","url":"https://trac.ffmpeg.org/ticket/7989"},{"type":"WEB","url":"https://www.debian.org/security/2021/dsa-4990"}],"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":"4.3.1+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2025/JLSEC-2025-113.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V2","score":"AV:N/AC:L/Au:N/C:N/I:N/A:P"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}