USN-5168-1 fixed a vulnerability in NSS. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
Tavis Ormandy discovered that NSS incorrectly handled verifying DSA/RSA-PSS signatures. A remote attacker could use this issue to cause NSS 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": "2:3.28.4-0ubuntu0.14.04.5+esm9", "binary_name": "libnss3" }, { "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm9", "binary_name": "libnss3-1d" }, { "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm9", "binary_name": "libnss3-dbg" }, { "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm9", "binary_name": "libnss3-dbgsym" }, { "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm9", "binary_name": "libnss3-dev" }, { "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm9", "binary_name": "libnss3-nssdb" }, { "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm9", "binary_name": "libnss3-tools" }, { "binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm9", "binary_name": "libnss3-tools-dbgsym" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2:3.28.4-0ubuntu0.16.04.14+esm1", "binary_name": "libnss3" }, { "binary_version": "2:3.28.4-0ubuntu0.16.04.14+esm1", "binary_name": "libnss3-1d" }, { "binary_version": "2:3.28.4-0ubuntu0.16.04.14+esm1", "binary_name": "libnss3-dbg" }, { "binary_version": "2:3.28.4-0ubuntu0.16.04.14+esm1", "binary_name": "libnss3-dbgsym" }, { "binary_version": "2:3.28.4-0ubuntu0.16.04.14+esm1", "binary_name": "libnss3-dev" }, { "binary_version": "2:3.28.4-0ubuntu0.16.04.14+esm1", "binary_name": "libnss3-nssdb" }, { "binary_version": "2:3.28.4-0ubuntu0.16.04.14+esm1", "binary_name": "libnss3-tools" }, { "binary_version": "2:3.28.4-0ubuntu0.16.04.14+esm1", "binary_name": "libnss3-tools-dbgsym" } ] }