USN-5080-1 fixed several vulnerabilities in Libgcrypt. This update provides the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that Libgcrypt incorrectly handled ElGamal encryption. An attacker could possibly use this issue to recover sensitive information.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libgcrypt20-udeb-dbgsym": "1.6.5-2ubuntu0.6+esm1", "libgcrypt20-doc": "1.6.5-2ubuntu0.6+esm1", "libgcrypt20": "1.6.5-2ubuntu0.6+esm1", "libgcrypt20-dev": "1.6.5-2ubuntu0.6+esm1", "libgcrypt11-dev": "1.5.4-3+really1.6.5-2ubuntu0.6+esm1", "libgcrypt20-dev-dbgsym": "1.6.5-2ubuntu0.6+esm1", "libgcrypt20-dbgsym": "1.6.5-2ubuntu0.6+esm1", "libgcrypt20-udeb": "1.6.5-2ubuntu0.6+esm1" } ] }