--- title: 'USN-4172-2: file vulnerability | Ubuntu security notices' description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/notices/USN-4172-2 --- 1. [Ubuntu Security Notices](https://ubuntu.com/security/notices) 2. USN-4172-2 --- # USN-4172-2: file vulnerability Publication date 31 October 2019 Overview file could be made to crash or run programs if it opened a specially crafted file. Releases [14.04 LTS](https://ubuntu.com/security/notices?release=trusty) [12.04](https://ubuntu.com/security/notices?release=precise) --- Open side navigation ## Packages * [file](https://ubuntu.com/security/cves?package=file) - Tool to determine file types ## Details USN-4172-1 fixed a vulnerability in file. This update provides the corresponding update for Ubuntu 12.04 ESM Ubuntu 14.04 ESM. Original advisory details: It was discovered that file incorrectly handled certain malformed files. An attacker could use this issue to cause a denial of service, or possibly execute arbitrary code. ## Update instructions In general, a standard system update will make all the necessary changes. [Learn more about how to get the fixes.](https://ubuntu.com/security/cves/about#security) The problem can be corrected by updating your system to the following package versions: | Ubuntu Release | Package Version | | --- | --- | | 14.04 LTS trusty | [libmagic1](https://launchpad.net/ubuntu/+source/file) –  [1:5.14-2ubuntu3.4+esm1](https://launchpad.net/ubuntu/+source/file/1:5.14-2ubuntu3.4+esm1) | | | | [file](https://launchpad.net/ubuntu/+source/file) –  [1:5.14-2ubuntu3.4+esm1](https://launchpad.net/ubuntu/+source/file/1:5.14-2ubuntu3.4+esm1) | | | | 12.04 precise | [libmagic1](https://launchpad.net/ubuntu/+source/file) –  [5.09-2ubuntu0.8](https://launchpad.net/ubuntu/+source/file/5.09-2ubuntu0.8) | | | | [file](https://launchpad.net/ubuntu/+source/file) –  [5.09-2ubuntu0.8](https://launchpad.net/ubuntu/+source/file/5.09-2ubuntu0.8) | | | --- ### Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. [Get Ubuntu Pro](https://ubuntu.com/pro) ## References * [CVE-2019-18218](https://ubuntu.com/security/CVE-2019-18218) ## Related notices * [USN-4172-1](https://ubuntu.com/security/notices/USN-4172-1)