========================================================================== Ubuntu Security Notice USN-4040-2 June 26, 2019
expat vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM Summary: Expat could be made to consume a high amount of RAM and CPU resources if it received a specially crafted XML file. Software Description: - expat: XML parsing C library Details: USN-4040-1 fixed a vulnerability in expat. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that Expat incorrectly handled certain XML files. An attacker could possibly use this issue to cause a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM: lib64expat1 2.1.0-4ubuntu1.4+esm1 libexpat1 2.1.0-4ubuntu1.4+esm1 Ubuntu 12.04 ESM: lib64expat1 2.0.1-7.2ubuntu1.6 libexpat1 2.0.1-7.2ubuntu1.6 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4040-2 https://usn.ubuntu.com/4040-1 CVE-2018-20843
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