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USN-6360-2: FLAC vulnerability

22 September 2023

FLAC could be made to crash or run programs as your login if it opened a specially crafted file.

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Releases

Packages

  • flac - Free Lossless Audio Codec

Details

USN-6360-1 fixed a vulnerability in FLAC. This update provides the
corresponding update for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and
Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that FLAC incorrectly handled encoding certain files. A
remote attacker could use this issue to cause FLAC to crash, resulting in a
denial of service, or possibly execute arbitrary code.

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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 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

  • USN-6360-1: flac, libflac8, libflac++6v5, libflac++-dev, libflac-dev, libflac-doc

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Further reading