Bug 2533267 - CVE-2026-52296 ffmpeg: out-of-bounds read due to missing required padding in WMA extradata allocation paths [fedora-all]
Summary: CVE-2026-52296 ffmpeg: out-of-bounds read due to missing required padding in ...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: ffmpeg
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Multimedia SIG
QA Contact:
URL:
Whiteboard: {"flaws": ["116c1955-5a44-4893-b13c-7...
Depends On:
Blocks: CVE-2026-52296
TreeView+ depends on / blocked
 
Reported: 2026-09-14 18:07 UTC by Guilherme de Almeida Suckevicz
Modified: 2026-09-29 09:34 UTC (History)
5 users (show)

Fixed In Version: ffmpeg-8.1.1-1.fc44,ffmpeg-8.1.1-1.fc45,ffmpeg-7.1.4-1.fc43
Clone Of:
Environment:
Last Closed: 2026-09-29 09:34:32 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2026-09-14 18:07:11 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

FFmpeg before 9.0 has an out-of-bounds read because of missing required padding in WMA extradata allocation paths in libavcodec/wmaenc.c.
Comment 1 Dominik 'Rathann' Mierzejewski 2026-09-29 09:34:32 UTC 
Fixed in:
9.0:   https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/23227a444de4a8f7696f46660cdd044b460f7e47
8.1.1: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/d1b0069077fad943387d113322c058b3e06d0c01
7.1.4: https://code.ffmpeg.org/FFmpeg/FFmpeg/commit/2437ca465fea26d141fe02e17bfa2d52468ab988
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