Red Hat Security Advisory: RHEL AI 3.5 RPM runtime CVE fix - ffmpeg

Fixed packages 30

Vulnerabilities 2

• High 8.8
  CVE-2026-8461 Public exploit

  Heap out-of-bounds write via odd slice_height in FFmpeg MagicYUV decoder

  An out-of-bounds write vulnerability in FFmpeg's libavcodec library, specifically in the MagicYUV decoder, allows denial-of-service and, in some cases, can be exploited for remote code execution. This vulnerability is associated with the file libavcodec/magic…

  FFmpeg FFmpeg ffmpeg ffmpeg Debian Ubuntu Alpine Wolfi
  Jun 18, 2026
• High 8.6
  CVE-2026-58049

  FFmpeg - Out-of-Bounds Write in RASC Decoder decode_dlta()

  FFmpeg's RASC video decoder (decode_dlta in libavcodec/rasc.c) performs 32-bit reads and writes at the row cursor before the NEXT_LINE row-boundary check and validates the DLTA region in pixel rather than byte units, so a DLTA run on a PAL8 frame can access s…

  FFmpeg FFmpeg ffmpeg ffmpeg Debian Ubuntu
  Jun 28, 2026

References

• article
  https://access.redhat.com/security/updates/classification/#important
• article
  https://issues.redhat.com/browse/AIPCC-27615
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_43711.json
• report
  https://access.redhat.com/security/cve/CVE-2026-8461
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2490308
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-8461
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-8461
• article
  https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/23159
• article
  https://jfrog.com/blog/pixelsmash-critical-ffmpeg-vulnerability-turns-media-files-into-weapons/
• report
  https://access.redhat.com/security/cve/CVE-2026-58049
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2493952
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-58049
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-58049
• article
  https://github.com/FFmpeg/FFmpeg/blob/master/libavcodec/rasc.c
• article
  https://github.com/bikini/exploitarium/tree/main/ffmpeg-rasc-dlta-calc-poc
• article
  https://www.vulncheck.com/advisories/ffmpeg-out-of-bounds-write-in-rasc-decoder-decode-dlta