USN-6658-1 fixed a vulnerability in libxml2. This update provides the corresponding updates for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS.
Original advisory details:
It was discovered that libxml2 incorrectly handled certain XML documents. A remote attacker could possibly use this issue to cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code.
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{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2-dbg" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2-dbgsym" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2-dev" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2-dev-dbgsym" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2-doc" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2-udeb" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2-udeb-dbgsym" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2-utils" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2-utils-dbg" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "libxml2-utils-dbgsym" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "python-libxml2" }, { "binary_version": "2.9.3+dfsg1-1ubuntu0.7+esm6", "binary_name": "python-libxml2-dbg" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "libxml2" }, { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "libxml2-dbg" }, { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "libxml2-dev" }, { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "libxml2-doc" }, { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "libxml2-udeb" }, { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "libxml2-utils" }, { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "libxml2-utils-dbgsym" }, { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "python-libxml2" }, { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "python-libxml2-dbg" }, { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "python3-libxml2" }, { "binary_version": "2.9.4+dfsg1-6.1ubuntu1.9+esm1", "binary_name": "python3-libxml2-dbg" } ] }