Vulnerability in FFmpeg

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

FFmpeg through 9.0.2 contains an infinite loop vulnerability in ff_rtsp_connect() in libavformat/rtsp.c that follows RTSP 3xx redirects without any redirect limit. Attackers controlling an RTSP server can answer every request with a 302 redirect to itself or another server, causing endless reconnects that saturate a CPU core.

[ Fixes ]Fixes and patches

• Patch on code.ffmpeg.orgVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ Advisories ]Government CERT advisories

• BSI CERT-Bund8 Oct 2026WID-SEC-2026-3820

  ffmpeg: Multiple vulnerabilities Translated from German

  CVE-2026-107675CVE-2026-107697CVE-2026-107676+6 more CVEs

[ References ]References

• code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24902Issue TrackingPatch
• gist.github.com/OxBat/648a0bd60c898f2ffb418e131ce26013ExploitThird Party Advisory
• github.com/FFmpeg/FFmpegProduct
• github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavformat/rtsp.cProduct
• www.vulncheck.com/advisories/ffmpeg-through-9.0.2-infinite-loop-via-rtsp-redirect-handl…Third Party Advisory