========================================================================= Ubuntu Security Notice USN-5119-1 October 21, 2021 libcaca vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 21.10 - Ubuntu 21.04 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: libcaca could be made to crash if it received a specially crafted image. Software Description: - libcaca: text mode graphics utilities Details: It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to cause a crash. (CVE-2021-30498, CVE-2021-30499) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: caca-utils 0.99.beta19-2.2ubuntu2.1 libcaca0 0.99.beta19-2.2ubuntu2.1 Ubuntu 21.04: caca-utils 0.99.beta19-2.2ubuntu1.1 libcaca0 0.99.beta19-2.2ubuntu1.1 Ubuntu 20.04 LTS: caca-utils 0.99.beta19-2.1ubuntu1.20.04.2 libcaca0 0.99.beta19-2.1ubuntu1.20.04.2 Ubuntu 18.04 LTS: caca-utils 0.99.beta19-2ubuntu0.18.04.3 libcaca0 0.99.beta19-2ubuntu0.18.04.3 Ubuntu 16.04 ESM: caca-utils 0.99.beta19-2ubuntu0.16.04.2+esm1 libcaca0 0.99.beta19-2ubuntu0.16.04.2+esm1 Ubuntu 14.04 ESM: caca-utils 0.99.beta18-1ubuntu5.1+esm2 libcaca0 0.99.beta18-1ubuntu5.1+esm2 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5119-1 CVE-2021-30498, CVE-2021-30499 Package Information: https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2.2ubuntu2.1 https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2.2ubuntu1.1 https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2.1ubuntu1.20.04.2 https://launchpad.net/ubuntu/+source/libcaca/0.99.beta19-2ubuntu0.18.04.3