There is a heap-based buffer over-read in the Exiv2::Internal::PngChunk::keyTXTChunk function of pngchunk_int.cpp in Exiv2 0.26. A crafted PNG file will lead to a remote denial of service attack.
{ "binaries": [ { "binary_version": "0.23-1ubuntu2.2", "binary_name": "exiv2" }, { "binary_version": "0.23-1ubuntu2.2", "binary_name": "libexiv2-12" } ], "availability": "No subscription required" }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-17669.json"
{ "binaries": [ { "binary_version": "0.25-2.1ubuntu16.04.3", "binary_name": "exiv2" }, { "binary_version": "0.25-2.1ubuntu16.04.3", "binary_name": "libexiv2-14" } ], "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" } ], "availability": "No subscription required" }