The libtiff packages contain a library of functions for manipulating TaggedImage File Format (TIFF) files.Multiple integer overflow flaws, leading to a buffer overflow, werediscovered in libtiff. An attacker could use these flaws to create aspecially-crafted TIFF file that, when opened, would cause an applicationlinked against libtiff to crash or, possibly, execute arbitrary code.(CVE-2010-1411)Multiple input validation flaws were discovered in libtiff. An attackercould use these flaws to create a specially-crafted TIFF file that, whenopened, would cause an application linked against libtiff to crash.(CVE-2010-2481, CVE-2010-2483, CVE-2010-2595, CVE-2010-2597)Red Hat would like to thank Apple Product Security for responsiblyreporting the CVE-2010-1411 flaw, who credit Kevin Finisterre ofdigitalmunition.com for the discovery of the issue.All libtiff users are advised to upgrade to these updated packages, whichcontain backported patches to resolve these issues. All runningapplications linked against libtiff must be restarted for this update totake effect.