An issue was discovered in Exiv2 0.26. readMetadata in jp2image.cpp allows remote attackers to cause a denial of service (SIGABRT) by triggering an incorrect Safe::add call.
https://www.debian.org/security/2018/dsa-4238
https://usn.ubuntu.com/3700-1/
https://security.gentoo.org/glsa/201811-14
https://lists.debian.org/debian-lts-announce/2018/06/msg00010.html