USN-1449-1: feedparser vulnerability

Ubuntu Security Notice USN-1449-1

22nd May, 2012

feedparser vulnerability

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

  • Ubuntu 12.04 LTS

Summary

Applications using feedparser could be made to crash if they fetched a specially crafted feed.

Software description

  • feedparser - Universal Feed Parser for Python

Details

It was discovered that feedparser did not properly sanitize ENTITY
declarations in encoded fields. A remote attacker could exploit this to
cause a denial of service via memory exhaustion.

Update instructions

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

Ubuntu 12.04 LTS:
python3-feedparser 5.1-0ubuntu3.1
python-feedparser 5.1-0ubuntu3.1

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

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

References

CVE-2012-2921