========================================================================== Ubuntu Security Notice USN-3454-2 October 24, 2017
libffi vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 12.04 ESM Summary: A security issue was fixed in libffi. Software Description: - libffi: Foreign Function Interface library (development files, 32bit) Details: USN-3454-1 fixed a vulnerability in libffi. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libffi incorrectly enforced an executable stack. An attacker could possibly use this issue, in combination with another vulnerability, to facilitate executing arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM: libffi6 3.0.11~rc1-5ubuntu0.1 In general, a standard system update will make all the necessary changes. References: https://www.ubuntu.com/usn/usn-3454-2 https://www.ubuntu.com/usn/usn-3454-1 CVE-2017-1000376
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