{"schema_version":"1.7.2","id":"OESA-2026-3211","modified":"2026-08-06T11:12:05Z","published":"2026-08-01T11:12:05Z","upstream":["CVE-2025-63757","CVE-2026-40962"],"summary":"ffmpeg security update","details":"FFmpeg is a complete and free Internet live audio and video broadcasting solution for Linux/Unix. It also includes a digital VCR. It can encode in real time in many formats including MPEG1 audio and video, MPEG4, h263, ac3, asf, avi, real, mjpeg, and flash.\r\n\r\nSecurity Fix(es):\n\nInteger overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.(CVE-2025-63757)\n\nFFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.(CVE-2026-40962)","affected":[{"package":{"ecosystem":"openEuler:20.03-LTS-SP4","name":"ffmpeg","purl":"pkg:rpm/openEuler/ffmpeg&distro=openEuler-20.03-LTS-SP4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.4-44.oe2003sp4"}]}],"ecosystem_specific":{"aarch64":["ffmpeg-4.2.4-44.oe2003sp4.aarch64.rpm","ffmpeg-debuginfo-4.2.4-44.oe2003sp4.aarch64.rpm","ffmpeg-debugsource-4.2.4-44.oe2003sp4.aarch64.rpm","ffmpeg-devel-4.2.4-44.oe2003sp4.aarch64.rpm","ffmpeg-libs-4.2.4-44.oe2003sp4.aarch64.rpm","libavdevice-4.2.4-44.oe2003sp4.aarch64.rpm"],"src":["ffmpeg-4.2.4-44.oe2003sp4.src.rpm"],"x86_64":["ffmpeg-4.2.4-44.oe2003sp4.x86_64.rpm","ffmpeg-debuginfo-4.2.4-44.oe2003sp4.x86_64.rpm","ffmpeg-debugsource-4.2.4-44.oe2003sp4.x86_64.rpm","ffmpeg-devel-4.2.4-44.oe2003sp4.x86_64.rpm","ffmpeg-libs-4.2.4-44.oe2003sp4.x86_64.rpm","libavdevice-4.2.4-44.oe2003sp4.x86_64.rpm"]}}],"references":[{"type":"ADVISORY","url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3211"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-63757"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40962"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}],"database_specific":{"severity":"Critical"}}