USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information.
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.5.3-2ubuntu4.6+esm1", "binary_name": "libgcrypt11-doc" }, { "binary_version": "1.5.3-2ubuntu4.6+esm1", "binary_name": "libgcrypt11-udeb" }, { "binary_version": "1.5.3-2ubuntu4.6+esm1", "binary_name": "libgcrypt11-dev" }, { "binary_version": "1.5.3-2ubuntu4.6+esm1", "binary_name": "libgcrypt11" } ] }