exif_process_IFD_in_MAKERNOTE in ext/exif/exif.c in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG file.
https://www.tenable.com/security/tns-2018-12
https://www.debian.org/security/2018/dsa-4353
https://usn.ubuntu.com/3766-2/
https://usn.ubuntu.com/3766-1/
https://security.netapp.com/advisory/ntap-20181107-0003/
https://lists.debian.org/debian-lts-announce/2018/09/msg00000.html
https://bugs.php.net/bug.php?id=76557
https://access.redhat.com/errata/RHSA-2019:2519
http://www.securityfocus.com/bid/104871