Sigurnosna ranjivost, otkrivena u radu paketa feedparser, omogućuje udaljenom napadaču izvođenje napada uskraćivanjem usluge (eng. Denial of Service).

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Ubuntu Security Notice USN-1449-1
May 22, 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 versions:

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

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

References:
  http://www.ubuntu.com/usn/usn-1449-1
  CVE-2012-2921

Package Information:
  https://launchpad.net/ubuntu/+source/feedparser/5.1-0ubuntu3.1