An Invalid memory address dereference was discovered in Exiv2::DataValue::read in value.cpp in Exiv2 0.26. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.
https://bugzilla.redhat.com/show_bug.cgi?id=1494786
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html