medium
5.5
CWE
125
Advisory Published
Updated

CVE-2023-46407

First published: Fri Oct 27 2023(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
FFmpeg FFmpeg<6.1

Remedy

https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962

Remedy

https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com/

Remedy

https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com/

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Reference Links

Frequently Asked Questions

  • What is CVE-2023-46407?

    CVE-2023-46407 is a vulnerability in FFmpeg prior to commit bf814 that allows for an out of bounds read.

  • How severe is CVE-2023-46407?

    CVE-2023-46407 is considered to be a medium severity vulnerability with a severity score of 5.5.

  • How does CVE-2023-46407 affect FFmpeg?

    CVE-2023-46407 affects FFmpeg versions before commit bf814 and can lead to an out of bounds read via the dist->alphabet_size variable in the read_vlc_prefix() function.

  • What is the fix for CVE-2023-46407?

    The fix for CVE-2023-46407 is available in the commit bf814 of the FFmpeg repository.

  • Where can I find more information about CVE-2023-46407?

    More information about CVE-2023-46407 can be found in the following references: <ul><li><a href='https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962'>FFmpeg commit bf814</a></li><li><a href='https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com/'>FFmpeg patch for CVE-2023-46407</a></li><li><a href='https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com/'>FFmpeg patch for CVE-2023-46407</a></li></ul>

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