========================================================================== Ubuntu Security Notice USN-5760-2 December 05, 2022 libxml2 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: Several security issues were fixed in libxml2. Software Description: - libxml2: GNOME XML library Details: USN-5760-1 fixed vulnerabilities in libxml2. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information or cause a crash. (CVE-2022-40303) It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to execute arbitrary code. (CVE-2022-40304) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 ESM: libxml2 2.9.3+dfsg1-1ubuntu0.7+esm4 libxml2-utils 2.9.3+dfsg1-1ubuntu0.7+esm4 Ubuntu 14.04 ESM: libxml2 2.9.1+dfsg1-3ubuntu4.13+esm4 libxml2-utils 2.9.1+dfsg1-3ubuntu4.13+esm4 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5760-2 https://ubuntu.com/security/notices/USN-5760-1 CVE-2022-40303, CVE-2022-40304