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USN-4172-2: file vulnerability

31 October 2019

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



  • file - Tool to determine file types


USN-4172-1 fixed a vulnerability in file. This update provides
the corresponding update for Ubuntu 12.04 ESM Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that file incorrectly handled certain malformed files. An
attacker could use this issue to cause a denial of service, or possibly
execute arbitrary code.

Update instructions

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

Ubuntu 14.04
Ubuntu 12.04

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


Related notices

  • USN-4172-1: python3-magic, python-magic, libmagic-dev, file, libmagic1, libmagic-mgc