CVE-2026-52296

low

Description

FFmpeg before 9.0 has an out-of-bounds read because of missing required padding in WMA extradata allocation paths in libavcodec/wmaenc.c.

References

https://github.com/Kenan-Kamel/VulnerabilitiesReference/tree/main/FFmpeg/ExtradataPadding

https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/23227a444de4a8f7696f46660cdd044b460f7e47

https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/22988

Details

Source: Mitre, NVD

Published: 2026-09-13

Updated: 2026-09-13

Risk Information

CVSS v2

Base Score: 1.2

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

Severity: Low

CVSS v3

Base Score: 2.9

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

Severity: Low

EPSS

EPSS: 0.00158