An updated Adobe Flash Player package that fixes multiple security issues is now available for Red Hat Enterprise Linux 4 Extras. The Red Hat Security Response Team has rated this update as having critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.
The flash-plugin package contains a Mozilla Firefox compatible Adobe Flash Player web browser plug-in. This update fixes multiple vulnerabilities in Adobe Flash Player. These vulnerabilities are detailed on the Adobe security page APSB10-26, listed in the References section. Multiple security flaws were found in the way flash-plugin displayed certain SWF content. An attacker could use these flaws to create a specially-crafted SWF file that would cause flash-plugin to crash or, potentially, execute arbitrary code when the victim loaded a page containing the specially-crafted SWF content. (CVE-2010-3639, CVE-2010-3640, CVE-2010-3641, CVE-2010-3642, CVE-2010-3643, CVE-2010-3644, CVE-2010-3645, CVE-2010-3646, CVE-2010-3647, CVE-2010-3648, CVE-2010-3649, CVE-2010-3650, CVE-2010-3652, CVE-2010-3654) An input validation flaw was discovered in flash-plugin. Certain server encodings could lead to a bypass of cross-domain policy file restrictions, possibly leading to cross-domain information disclosure. (CVE-2010-3636) All users of Adobe Flash Player should install this updated package, which upgrades Flash Player to version 9.0.289.0.