Detections
Analytics

CVE-2026-39211

high

Description

Introduced in 2010 during a swscale refactor, via a size factor formula with no upper bounds that allowed user-controlled parameters to trigger arbitrarily large scaling.

References

https://depthfirst.com/research/21-zero-days-in-ffmpeg

Details

Source: Mitre, NVD

Published: 2026-06-05

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High