StringEqual in TiXmlDeclaration::Parse in tinyxmlparser.cpp in TinyXML through 2.6.2 has a reachable assertion (and application exit) via a crafted XML document with a '\0' located after whitespace.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2.6.2-3ubuntu0.1~esm2", "binary_name": "libtinyxml-dev" }, { "binary_version": "2.6.2-3ubuntu0.1~esm2", "binary_name": "libtinyxml2.6.2v5" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-34194.json"
{ "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro", "binaries": [ { "binary_version": "2.6.2-4ubuntu0.18.04.1~esm2", "binary_name": "libtinyxml-dev" }, { "binary_version": "2.6.2-4ubuntu0.18.04.1~esm2", "binary_name": "libtinyxml2.6.2v5" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "2.6.2-4+deb10u2build0.20.04.1", "binary_name": "libtinyxml-dev" }, { "binary_version": "2.6.2-4+deb10u2build0.20.04.1", "binary_name": "libtinyxml2.6.2v5" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "2.6.2-6ubuntu0.22.04.1", "binary_name": "libtinyxml-dev" }, { "binary_version": "2.6.2-6ubuntu0.22.04.1", "binary_name": "libtinyxml2.6.2v5" } ] }