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USN-5438-1: HTMLDOC vulnerability

23 May 2022

HTMLDOC could be made to crash or run programs if it received specially crafted HTML files.

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Releases

Packages

  • htmldoc - HTML processor that generates indexed HTML, PS, and PDF

Details

It was discovered that HTMLDOC did not properly manage memory under certain
circumstances. If a user were tricked into opening a specially crafted HTML
file, a remote attacker could possibly use this issue to cause HTMLDOC to
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 20.04
Ubuntu 18.04

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

References

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