USN-3288-1: libytnef vulnerabilities Ubuntu Security Notice USN-3288-1 15th May, 2017 libytnef vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary libytnef could be made to crash or run programs as your login if it opened a specially crafted file. Software description libytnef – improved decoder for application/ms-tnef attachments Details It was discovered that libytnef incorrectly handled malformed TNEF streams.If a user were tricked into opening a specially crafted TNEF attachment, anattacker could cause a denial of service or possibly execute arbitrarycode. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 14.04 LTS: libytnef0 1.5-6ubuntu0.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to restart applications usinglibytnef, such as Evolution, to make all the necessary changes. References CVE-2017-6298, [ more… ]