The exif_process_IFD_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate IFD sizes, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.
lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.html
lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
php.net/ChangeLog-5.php
php.net/ChangeLog-7.php
rhn.redhat.com/errata/RHSA-2016-2750.html
www.debian.org/security/2016/dsa-3602
www.openwall.com/lists/oss-security/2016/05/05/21
www.securityfocus.com/bid/89844
bugs.php.net/bug.php?id=72094
git.php.net/?p=php-src.git%3Ba=commit%3Bh=082aecfc3a753ad03be82cf14f03ac065723ec92
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
security.gentoo.org/glsa/201611-22