USN-5438-2: HTMLDOC vulnerability

Publication date

24 May 2022

Overview

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


Packages

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

Details

USN-5438-1 fixed a vulnerability in HTMLDOC. This update provides the
corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory 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.

USN-5438-1 fixed a vulnerability in HTMLDOC. This update provides the
corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory 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.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial htmldoc –  1.8.27-8ubuntu1.1+esm1  
14.04 trusty htmldoc –  1.8.27-8ubuntu1+esm2  

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