Bug 2246964 (CVE-2023-46407) - CVE-2023-46407 FFmpeg: out of bounds read
Summary: CVE-2023-46407 FFmpeg: out of bounds read
Keywords:
Status: NEW
Alias: CVE-2023-46407
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2246967 2246965 2246966 2246968 2246969
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-10-30 09:33 UTC by Avinash Hanwate
Modified: 2024-01-31 17:50 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description Avinash Hanwate 2023-10-30 09:33:40 UTC 
FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist->alphabet_size variable in the read_vlc_prefix() function.

https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen@gmail.com/
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen@gmail.com/
Comment 1 Avinash Hanwate 2023-10-30 09:35:57 UTC 
Created chromium tracking bugs for this issue:

Affects: epel-all [bug 2246966]


Created ffmpeg tracking bugs for this issue:

Affects: fedora-all [bug 2246965]


Created qt5-qtwebengine tracking bugs for this issue:

Affects: epel-all [bug 2246967]
Affects: fedora-all [bug 2246968]


Created qt6-qtwebengine tracking bugs for this issue:

Affects: fedora-all [bug 2246969]
Comment 2 Dominik 'Rathann' Mierzejewski 2024-01-31 17:50:32 UTC 
This affects 6.1, where this code was added. 6.1.1 contains the fix.
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