The exif_convert_any_to_int function in ext/exif/exif.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (application crash) via crafted EXIF data that triggers an attempt to divide the minimum representable negative integer by -1.
https://www.tenable.com/security/tns-2017-04
https://security.netapp.com/advisory/ntap-20180112-0001/
https://security.gentoo.org/glsa/201702-29
https://github.com/php/php-src/commit/1cda0d7c2ffb62d8331c64e703131d9cabdc03ea
https://bugs.php.net/bug.php?id=73737
https://access.redhat.com/errata/RHSA-2018:1296
http://www.securitytracker.com/id/1037659
http://www.securityfocus.com/bid/95764
http://www.debian.org/security/2017/dsa-3783