What is CVE-2026-107696?

CVE-2026-107696 is a medium-severity vulnerability in Ffmpeg, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2026-10-08.

How severe is CVE-2026-107696?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Ffmpeg

CVE-2026-107696

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.

Published 2026-10-08.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Ffmpeg

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

code.ffmpeg.org/FFmpeg/FFmpeg/pulls/24902 (patch)
github.com/FFmpeg/FFmpeg/blob/n9.0.2/libavformat/rtsp.c (technical-description)
gist.github.com/OxBat/648a0bd60c898f2ffb418e131ce26013 (exploit)
github.com/FFmpeg/FFmpeg (product)
www.vulncheck.com/advisories/ffmpeg-through-9.0.2-infinite-loop-via-rtsp-redire… (third-party-advisory)

Frequently asked questions

What is CVE-2026-107696?: CVE-2026-107696 is a medium-severity vulnerability in Ffmpeg, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2026-10-08.
How severe is CVE-2026-107696?: Medium severity. CVSS v3 base score is 6.5 out of 10.