CVE-2026-107696 FFmpeg through 9.0.2 Infinite Loop via RTSP Redirect Handling in rtsp.c
Attackers can cause a denial of service by triggering an infinite loop in FFmpeg's RTSP redirect handling, saturating CPU resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-107696?
CVE-2026-107696 is a high-severity denial of service vulnerability in Ffmpeg Ffmpeg, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
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.
Weakness: CWE-835
Which versions are affected by CVE-2026-107696?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2026-107696?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-107696 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-107696 exists.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2026-107696, ECHO-004c-71c0-ab43, GHSA-jmpw-6qm3-5h67, UBUNTU-CVE-2026-107696.