An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_TIFF.
https://www.debian.org/security/2019/dsa-4403
https://usn.ubuntu.com/3922-3/
https://usn.ubuntu.com/3922-2/
https://usn.ubuntu.com/3922-1/
https://security.netapp.com/advisory/ntap-20190502-0007/
https://lists.debian.org/debian-lts-announce/2019/03/msg00043.html
https://bugs.php.net/bug.php?id=77509
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.html
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.html