========================================================================== Ubuntu Security Notice USN-6035-1 April 20, 2023 kauth vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 18.04 ESM - Ubuntu 16.04 ESM Summary: KAuth could be made to crash or run programs if it received specially crafted input. Software Description: - kauth: Abstraction to system policy and authentication features Details: It was discovered that KAuth incorrectly handled some configuration parameters with specially crafted arbitrary types. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 18.04 ESM: libkf5auth-data 5.44.0-0ubuntu1+esm1 libkf5auth5 5.44.0-0ubuntu1+esm1 Ubuntu 16.04 ESM: libkf5auth-data 5.18.0-0ubuntu2+esm1 libkf5auth5 5.18.0-0ubuntu2+esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6035-1 CVE-2019-7443