It was discovered that Libtasn1 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "4.7-3ubuntu0.16.04.3+esm2", "binary_name": "libtasn1-3-bin" }, { "binary_version": "4.7-3ubuntu0.16.04.3+esm2", "binary_name": "libtasn1-6" }, { "binary_version": "4.7-3ubuntu0.16.04.3+esm2", "binary_name": "libtasn1-6-dbgsym" }, { "binary_version": "4.7-3ubuntu0.16.04.3+esm2", "binary_name": "libtasn1-6-dev" }, { "binary_version": "4.7-3ubuntu0.16.04.3+esm2", "binary_name": "libtasn1-bin" }, { "binary_version": "4.7-3ubuntu0.16.04.3+esm2", "binary_name": "libtasn1-bin-dbgsym" }, { "binary_version": "4.7-3ubuntu0.16.04.3+esm2", "binary_name": "libtasn1-doc" } ] }