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USN-6430-1: FFmpeg vulnerabilities

12 October 2023

Several security issues were fixed in FFmpeg.

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Releases

Packages

  • ffmpeg - Tools for transcoding, streaming and playing of multimedia files

Details

It was discovered that FFmpeg did not properly handle certain inputs in
vf_lagfun.c, resulting in a buffer overflow vulnerability. An attacker
could possibly use this issue to cause a denial of service via application
crash. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-22024)

It was discovered that FFmpeg incorrectly managed memory in avienc.c,
resulting in a memory leak. An attacker could possibly use this issue
to cause a denial of service via application crash. (CVE-2020-22039)

It was discovered that FFmpeg incorrectly handled certain files due to a
memory leak in frame.c. An attacker could possibly use this issue to cause
a denial of service via application crash. This issue affected
Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-22040)

It was discovered that FFmpeg incorrectly handled certain files due to a
memory leak in fifo.c. An attacker could possibly use this issue to cause
a denial of service via application crash. (CVE-2020-22043)

It was discovered that FFmpeg incorrectly handled certain files due to a
memory leak in vf_tile.c. If a user or automated system were tricked into
processing a specially crafted MOV file, an attacker could possibly use
this issue to cause a denial of service. (CVE-2020-22051)

It was discovered that FFmpeg incorrectly handled certain MOV files in
timecode.c, leading to an integer overflow. An attacker could possibly
use this issue to cause a denial of service using a crafted MOV file.
This issue only affected Ubuntu 16.04 LTS. (CVE-2021-28429)

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References

Related notices

  • USN-5167-1: libavfilter-dev, libpostproc-dev, libavformat-dev, libavdevice-dev, libpostproc-ffmpeg53, libavcodec-dev, libavutil-ffmpeg54, libavfilter-ffmpeg5, libavformat-ffmpeg56, libav-tools, libswscale-dev, libswresample-ffmpeg1, libavcodec-ffmpeg-extra56, libavutil-dev, libavresample-dev, libswresample-dev, ffmpeg-doc, ffmpeg, libavdevice-ffmpeg56, libavresample-ffmpeg2, libswscale-ffmpeg3, libavcodec-extra, libavcodec-ffmpeg56

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Further reading