What’s Vulnerable › Vulnerabilities

CVE-2026-107696: FFmpeg through 9.0.2 Infinite Loop via RTSP Redirect Handling in rtsp.c

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-10-08 · updated 2026-10-14
• Weakness: CWE-835

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.

Affected products

• FFmpeg: through 9.0.2

References

• https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24902
• https://gist.github.com/OxBat/648a0bd60c898f2ffb418e131ce26013
• https://github.com/FFmpeg/FFmpeg
• https://github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavformat/rtsp.c#L2225
• https://www.vulncheck.com/advisories/ffmpeg-through-9.0.2-infinite-loop-via-rtsp-redirect-handling-in-rtsp-c

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