Ubuntu Security Notice USN-2875-1

Ubuntu Security Notice 2875-1 – It was discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service.

Oracle Releases Security Bulletin

Original release date: January 19, 2016

Oracle has released its Critical Patch Update for January 2016 to address 248 vulnerabilities across multiple products. Exploitation of some of these vulnerabilities may allow a remote attacker to take control of an affected system.

US-CERT encourages users and administrators to review the Oracle January 2016 Critical Patch Update and apply the necessary updates.


This product is provided subject to this Notification and this Privacy & Use policy.

Ubuntu Security Notice USN-2872-3

Ubuntu Security Notice 2872-3 – Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code with administrative privileges.