========================================================================== Ubuntu Security Notice USN-5638-3 November 23, 2022
expat vulnerability ========================================================================== 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 - Ubuntu 16.04 ESM Summary: Expat could be made to crash or execute arbitrary code. Software Description: - expat: XML parsing C library Details: USN-5638-1 fixed a vulnerability in Expat. This update provides the corresponding updates for Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 22.10. (CVE-2022-43680) This update also fixes a minor regression introduced in Ubuntu 18.04 LTS. We apologize for the inconvenience. Original advisory details: Rhodri James discovered that Expat incorrectly handled memory when processing certain malformed XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: expat 2.4.8-2ubuntu0.22.10.1 libexpat1 2.4.8-2ubuntu0.22.10.1 Ubuntu 22.04 LTS: expat 2.4.7-1ubuntu0.2 libexpat1 2.4.7-1ubuntu0.2 Ubuntu 20.04 LTS: expat 2.2.9-1ubuntu0.6 libexpat1 2.2.9-1ubuntu0.6 Ubuntu 18.04 LTS: expat 2.2.5-3ubuntu0.9 libexpat1 2.2.5-3ubuntu0.9 Ubuntu 16.04 ESM: expat 2.1.0-7ubuntu0.16.04.5+esm7 lib64expat1 2.1.0-7ubuntu0.16.04.5+esm7 libexpat1 2.1.0-7ubuntu0.16.04.5+esm7 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5638-3 https://ubuntu.com/security/notices/USN-5638-1 CVE-2022-43680 Package Information: https://launchpad.net/ubuntu/+source/expat/2.4.8-2ubuntu0.22.10.1 https://launchpad.net/ubuntu/+source/expat/2.4.7-1ubuntu0.2 https://launchpad.net/ubuntu/+source/expat/2.2.9-1ubuntu0.6 https://launchpad.net/ubuntu/+source/expat/2.2.5-3ubuntu0.9
OpenPGP_0x86A73CCF854ECB9A.asc
Description: OpenPGP public key
OpenPGP_signature
Description: OpenPGP digital signature
