In libexpat through 2.4.9, there is a use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate in out-of-memory situations.
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{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm7", "binary_name": "expat" }, { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm7", "binary_name": "expat-dbgsym" }, { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm7", "binary_name": "lib64expat1" }, { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm7", "binary_name": "lib64expat1-dbgsym" }, { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm7", "binary_name": "lib64expat1-dev" }, { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm7", "binary_name": "libexpat1" }, { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm7", "binary_name": "libexpat1-dbgsym" }, { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm7", "binary_name": "libexpat1-dev" }, { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm7", "binary_name": "libexpat1-udeb" }, { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm7", "binary_name": "libexpat1-udeb-dbgsym" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.2.5-3ubuntu0.8", "binary_name": "expat" }, { "binary_version": "2.2.5-3ubuntu0.8", "binary_name": "expat-dbgsym" }, { "binary_version": "2.2.5-3ubuntu0.8", "binary_name": "libexpat1" }, { "binary_version": "2.2.5-3ubuntu0.8", "binary_name": "libexpat1-dbgsym" }, { "binary_version": "2.2.5-3ubuntu0.8", "binary_name": "libexpat1-dev" }, { "binary_version": "2.2.5-3ubuntu0.8", "binary_name": "libexpat1-udeb" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.2.9-1ubuntu0.6", "binary_name": "expat" }, { "binary_version": "2.2.9-1ubuntu0.6", "binary_name": "expat-dbgsym" }, { "binary_version": "2.2.9-1ubuntu0.6", "binary_name": "libexpat1" }, { "binary_version": "2.2.9-1ubuntu0.6", "binary_name": "libexpat1-dbgsym" }, { "binary_version": "2.2.9-1ubuntu0.6", "binary_name": "libexpat1-dev" }, { "binary_version": "2.2.9-1ubuntu0.6", "binary_name": "libexpat1-udeb" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.4.7-1ubuntu0.2", "binary_name": "expat" }, { "binary_version": "2.4.7-1ubuntu0.2", "binary_name": "expat-dbgsym" }, { "binary_version": "2.4.7-1ubuntu0.2", "binary_name": "libexpat1" }, { "binary_version": "2.4.7-1ubuntu0.2", "binary_name": "libexpat1-dbgsym" }, { "binary_version": "2.4.7-1ubuntu0.2", "binary_name": "libexpat1-dev" } ] }