========================================================================= Ubuntu Security Notice USN-4060-2 July 16, 2019 nss vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM Summary: Several security issues were fixed in NSS. Software Description: - nss: Network Security Service library Details: USN-4060-1 fixed several vulnerabilities in nss. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Henry Corrigan-Gibbs discovered that NSS incorrectly handled importing certain curve25519 private keys. An attacker could use this issue to cause NSS to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2019-11719) Jonas Allmann discovered that NSS incorrectly handled certain p256-ECDH public keys. An attacker could possibly use this issue to cause NSS to crash, resulting in a denial of service. (CVE-2019-11729) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM: libnss3 2:3.28.4-0ubuntu0.14.04.5+esm1 Ubuntu 12.04 ESM: libnss3 2:3.28.4-0ubuntu0.12.04.4 After a standard system update you need to restart any applications that use NSS, such as Evolution, to make all the necessary changes. References: https://usn.ubuntu.com/4060-2 https://usn.ubuntu.com/4060-1 CVE-2019-11719, CVE-2019-11729