USN-855-1: libhtml-parser-perl vulnerability

5 November 2009

libhtml-parser-perl vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 9.10
  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS
  • Ubuntu 6.06 LTS

Software Description

  • libhtml-parser-perl

Details

Mark Martinec discovered that HTML::Parser incorrectly handled strings with incomplete entities. An attacker could send specially crafted input to applications that use HTML::Parser and cause a denial of service.

Update instructions

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

Ubuntu 9.10
libhtml-parser-perl - 3.61-1ubuntu0.1
Ubuntu 9.04
libhtml-parser-perl - 3.59-1ubuntu1.1
Ubuntu 8.10
libhtml-parser-perl - 3.56-1ubuntu2.1
Ubuntu 8.04 LTS
libhtml-parser-perl - 3.56-1ubuntu0.1
Ubuntu 6.06 LTS
libhtml-parser-perl - 3.48-1ubuntu0.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system upgrade is sufficient to effect the necessary changes.

References