========================================================================= Ubuntu Security Notice USN-5760-1 December 05, 2022 libxml2 vulnerabilities ========================================================================= A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: Several security issues were fixed in libxml2. Software Description: - libxml2: GNOME XML library Details: It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash. (CVE-2022-2309) 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 22.10: libxml2 2.9.14+dfsg-1ubuntu0.1 libxml2-utils 2.9.14+dfsg-1ubuntu0.1 Ubuntu 22.04 LTS: libxml2 2.9.13+dfsg-1ubuntu0.2 libxml2-utils 2.9.13+dfsg-1ubuntu0.2 Ubuntu 20.04 LTS: libxml2 2.9.10+dfsg-5ubuntu0.20.04.5 libxml2-utils 2.9.10+dfsg-5ubuntu0.20.04.5 Ubuntu 18.04 LTS: libxml2 2.9.4+dfsg1-6.1ubuntu1.8 libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.8 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5760-1 CVE-2022-2309, CVE-2022-40303, CVE-2022-40304 Package Information: https://launchpad.net/ubuntu/+source/libxml2/2.9.14+dfsg-1ubuntu0.1 https://launchpad.net/ubuntu/+source/libxml2/2.9.13+dfsg-1ubuntu0.2 https://launchpad.net/ubuntu/+source/libxml2/2.9.10+dfsg-5ubuntu0.20.04.5 https://launchpad.net/ubuntu/+source/libxml2/2.9.4+dfsg1-6.1ubuntu1.8