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USN-4957-2: DjVuLibre vulnerabilities

18 May 2021

Several security issues were fixed in DjVuLibre.

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Releases

Packages

  • djvulibre - DjVu image format library and tools

Details

USN-4957-1 fixed several vulnerabilities in DjVuLibre. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that DjVuLibre incorrectly handled certain memory
operations. If a user or automated system were tricked into processing a
specially crafted DjVu file, a remote attacker could cause applications
to hang or crash, resulting in a denial of service, or possibly execute
arbitrary code.

Reduce your security exposure

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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

After a standard system update you need to reboot your computer to make
all the necessary changes.

Related notices

  • USN-4957-1: djvulibre, djview3, djvuserve, libdjvulibre21, libdjvulibre-dev, libdjvulibre-text, djvulibre-bin, djview, djvulibre-desktop