========================================================================== Ubuntu Security Notice USN-5787-1 January 05, 2023
libksba 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 Summary: Libksba could be made to crash or run programs if it processed specially crafted data. Software Description: - libksba: X.509 and CMS support library Details: It was discovered that Libksba incorrectly handled parsing CRL signatures. A remote attacker could use this issue to cause Libksba to crash, resulting in 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 22.10: libksba8 1.6.0-3ubuntu1.1 Ubuntu 22.04 LTS: libksba8 1.6.0-2ubuntu0.2 Ubuntu 20.04 LTS: libksba8 1.3.5-2ubuntu0.20.04.2 Ubuntu 18.04 LTS: libksba8 1.3.5-2ubuntu0.18.04.2 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-5787-1 CVE-2022-47629 Package Information: https://launchpad.net/ubuntu/+source/libksba/1.6.0-3ubuntu1.1 https://launchpad.net/ubuntu/+source/libksba/1.6.0-2ubuntu0.2 https://launchpad.net/ubuntu/+source/libksba/1.3.5-2ubuntu0.20.04.2 https://launchpad.net/ubuntu/+source/libksba/1.3.5-2ubuntu0.18.04.2
OpenPGP_signature
Description: OpenPGP digital signature
