There is a reachable assertion in the Internal::TiffReader::visitDirectory function in tiffvisitor.cpp of Exiv2 0.26 that will lead to a remote denial of service attack via crafted input.Referenceshttp://www.securityfocus.com/bid/100030https://usn.ubuntu.com/3852-1/https://bugzilla.redhat.com/show_bug.cgi?id=1475124https://lists.debian.org/debian-lts-announce/2022/11/msg00013.html
