CVE-2026-30997

7.5 highEPSS 0.3%

High (7.5) in ffmpeg ffmpeg. EPSS 0.3% chance of exploitation in the next 30 days.

An out-of-bounds read in the read_global_param() function (libavcodec/av1dec.c) of FFmpeg v8.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 27% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2026-04-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ffmpeg:ffmpeg

References

https://excellent-oatmeal-319.notion.site/CVE-2026-30997-Out-of-Bounds-Access-a7929817b9794568b2f7774397c7d65f
https://github.com/FFmpeg/FFmpeg

Check your stack JSON