Exiv2 0.26 has an integer overflow in the LoaderExifJpeg class in preview.cpp, leading to an out-of-bounds read in Exiv2::MemIo::read in basicio.cpp.
lists.opensuse.org/opensuse-security-announce/2020-04/msg00009.html
access.redhat.com/errata/RHSA-2019:2101
github.com/Exiv2/exiv2/issues/365
github.com/TeamSeri0us/pocs/blob/master/exiv2/1-out-of-read-Poc
lists.debian.org/debian-lts-announce/2018/06/msg00010.html
security.gentoo.org/glsa/201811-14
usn.ubuntu.com/3700-1/
www.debian.org/security/2018/dsa-4238