USN-5787-1 fixed vulnerabilities in Libksba. This update provides the corresponding updates for Ubuntu 16.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Libksba incorrectly handled parsing CRL signatures. A remote attacker could use this issue to cause Libksba to crash, resulting in a denial of service, or possibly execute arbitrary code.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.3.0-3ubuntu0.14.04.2+esm2", "binary_name": "libksba-dev" }, { "binary_version": "1.3.0-3ubuntu0.14.04.2+esm2", "binary_name": "libksba8" }, { "binary_version": "1.3.0-3ubuntu0.14.04.2+esm2", "binary_name": "libksba8-dbgsym" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.3.3-1ubuntu0.16.04.1+esm2", "binary_name": "libksba-dev" }, { "binary_version": "1.3.3-1ubuntu0.16.04.1+esm2", "binary_name": "libksba8" }, { "binary_version": "1.3.3-1ubuntu0.16.04.1+esm2", "binary_name": "libksba8-dbgsym" } ] }