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.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "0.25-2.1ubuntu16.04.3", "binary_name": "exiv2" }, { "binary_version": "0.25-2.1ubuntu16.04.3", "binary_name": "libexiv2-14" }, { "binary_version": "0.25-2.1ubuntu16.04.3", "binary_name": "libexiv2-dev" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "0.25-3.1ubuntu0.18.04.2", "binary_name": "exiv2" }, { "binary_version": "0.25-3.1ubuntu0.18.04.2", "binary_name": "libexiv2-14" }, { "binary_version": "0.25-3.1ubuntu0.18.04.2", "binary_name": "libexiv2-dev" } ] }