A security issue affects the following Ubuntu releases:
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the
following package versions:
In general, a standard system upgrade is sufficient to effect the
Laurent Gaffie discovered that Ruby did not properly check for memory
allocation failures. If a user or automated system were tricked into
running a malicious script, an attacker could cause a denial of
This update also fixes a regression in the upstream patch previously
applied to fix CVE-2008-3790. The regression would cause parsing of
some XML documents to fail.