RHSA-2009:0421: Moderate: ghostscript security update

Ghostscript is a set of software that provides a PostScript interpreter, aset of C procedures (the Ghostscript library, which implements the graphicscapabilities in the PostScript language) and an interpreter for PortableDocument Format (PDF) files.It was discovered that the Red Hat Security Advisory RHSA-2009:0345 did notaddress all possible integer overflow flaws in Ghostscript's InternationalColor Consortium Format library (icclib). Using specially-crafted ICCprofiles, an attacker could create a malicious PostScript or PDF file withembedded images that could cause Ghostscript to crash or, potentially,execute arbitrary code when opened. (CVE-2009-0792)A buffer overflow flaw and multiple missing boundary checks were found inGhostscript. An attacker could create a specially-crafted PostScript or PDFfile that could cause Ghostscript to crash or, potentially, executearbitrary code when opened. (CVE-2008-6679, CVE-2007-6725, CVE-2009-0196)Red Hat would like to thank Alin Rad Pop of Secunia Research forresponsibly reporting the CVE-2009-0196 flaw.Users of ghostscript are advised to upgrade to these updated packages,which contain backported patches to correct these issues.