========================================================================= Ubuntu Security Notice USN-4624-1 November 10, 2020 libexif vulnerability ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS - Ubuntu 14.04 ESM - Ubuntu 12.04 ESM Summary: libexif could be made to execute arbitrary code if it received a specially crafted input. Software Description: - libexif: library to parse EXIF files Details: It was discovered that libexif incorrectly handled certain inputs. An attacker could possibly use this issue to cause unexpected behaviours, or execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: libexif12 0.6.22-2ubuntu0.1 Ubuntu 20.04 LTS: libexif12 0.6.21-6ubuntu0.4 Ubuntu 18.04 LTS: libexif12 0.6.21-4ubuntu0.6 Ubuntu 16.04 LTS: libexif12 0.6.21-2ubuntu0.6 Ubuntu 14.04 ESM: libexif12 0.6.21-1ubuntu1+esm6 Ubuntu 12.04 ESM: libexif12 0.6.20-2ubuntu0.7 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4624-1 CVE-2020-0452 Package Information: https://launchpad.net/ubuntu/+source/libexif/0.6.22-2ubuntu0.1 https://launchpad.net/ubuntu/+source/libexif/0.6.21-6ubuntu0.4 https://launchpad.net/ubuntu/+source/libexif/0.6.21-4ubuntu0.6 https://launchpad.net/ubuntu/+source/libexif/0.6.21-2ubuntu0.6