============================================================================ Ubuntu Security Notice USN-2897-1 February 15, 2016 nettle vulnerabilities ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 15.10 - Ubuntu 14.04 LTS Summary: Several security issues were fixed in Nettle. Software Description: - nettle: low level cryptographic library (public-key cryptos) Details: Hanno B=C3=B6ck discovered that Nettle incorrectly handled carry propagation in the NIST P-256 elliptic curve. (CVE-2015-8803) Hanno B=C3=B6ck discovered that Nettle incorrectly handled carry propagation in the NIST P-384 elliptic curve. (CVE-2015-8804) Niels Moeller discovered that Nettle incorrectly handled carry propagation in the NIST P-256 elliptic curve. (CVE-2015-8805) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 15.10: libnettle6 3.1.1-4ubuntu0.1 Ubuntu 14.04 LTS: libnettle4 2.7.1-1ubuntu0.1 In general, a standard system update will make all the necessary changes. References: http://www.ubuntu.com/usn/usn-2897-1 CVE-2015-8803, CVE-2015-8804, CVE-2015-8805 Package Information: https://launchpad.net/ubuntu/+source/nettle/3.1.1-4ubuntu0.1 https://launchpad.net/ubuntu/+source/nettle/2.7.1-1ubuntu0.1