What is CVE-2024-35366?

CVE-2024-35366 is a critical-severity vulnerability in Ffmpeg, classified under Integer Overflow or Wraparound. CVSS score: 9.1/10. Published 2024-11-29.

How severe is CVE-2024-35366?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Integer overflow in Ffmpeg

CVE-2024-35366

FFmpeg n6.1.1 is Integer Overflow. The vulnerability exists in the parse_options function of sbgdec.c within the libavformat module. When parsing certain options, the software does not adequately validate the input. This allows for negative duration values to be accepted without proper bounds checking.

Vulnerability class: Integer Overflow

Published 2024-11-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (49.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

Ffmpeg — versions 6.1.1

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/ffmpeg/ffmpeg/commit/0bed22d597b78999151e3bde0768b7fe763fc2a6 (Patch)
github.com/FFmpeg/FFmpeg/blob/n6.1.1/libavformat/sbgdec.c (Product)
gist.github.com/1047524396/1e72f170d58c2547ebd4db4cdf6cfabf (Third Party Advisory)

Frequently asked questions

What is CVE-2024-35366?: CVE-2024-35366 is a critical-severity vulnerability in Ffmpeg, classified under Integer Overflow or Wraparound. CVSS score: 9.1/10. Published 2024-11-29.
How severe is CVE-2024-35366?: Critical severity. CVSS v3 base score is 9.1 out of 10.