exif.c in the Exif extension in PHP before 5.3.6 on 64-bit platforms performs an incorrect cast, which allows remote attackers to cause a denial of service (application crash) via an image with a crafted Image File Directory (IFD) that triggers a buffer over-read.
bugs.php.net/bug.php?id=54002
lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
lists.fedoraproject.org/pipermail/package-announce/2011-April/057709.html
lists.fedoraproject.org/pipermail/package-announce/2011-April/057710.html
lists.fedoraproject.org/pipermail/package-announce/2011-March/056642.html
marc.info/?l=bugtraq&m=133469208622507&w=2
openwall.com/lists/oss-security/2011/02/14/1
openwall.com/lists/oss-security/2011/02/16/7
rhn.redhat.com/errata/RHSA-2012-0071.html
securityreason.com/securityalert/8114
support.apple.com/kb/HT5002
svn.php.net/viewvc?view=revision&revision=308316
www.debian.org/security/2011/dsa-2266
www.exploit-db.com/exploits/16261/
www.mandriva.com/security/advisories?name=MDVSA-2011:052
www.mandriva.com/security/advisories?name=MDVSA-2011:053
www.php.net/archive/2011.php
www.php.net/ChangeLog-5.php
www.php.net/releases/5_3_6.php
www.redhat.com/support/errata/RHSA-2011-1423.html
www.securityfocus.com/bid/46365
www.vupen.com/english/advisories/2011/0744
www.vupen.com/english/advisories/2011/0764
www.vupen.com/english/advisories/2011/0890
bugzilla.redhat.com/show_bug.cgi?id=680972