RHEL 4 / 5 : firefox (RHSA-2009:0315)

The remote Redhat Enterprise Linux 4 / 5 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2009:0315 advisory. - libpng arbitrary free flaw CVE-2009-0040 - Firefox 3 Layout Engine Crashes CVE-2009-0771 - Firefox 2 and 3 - Layout engine crashes...

Mozilla Firefox XUL Linked Clones Double Free Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Mozilla Firefox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists during the browsers garbage collection process...