========================================================================== Ubuntu Security Notice USN-6358-1 September 12, 2023
ruby-redcloth vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS (Available with Ubuntu Pro) - Ubuntu 16.04 LTS (Available with Ubuntu Pro) Summary: RedCloth could be made to crash if it received specially crafted input. Software Description: - ruby-redcloth: Textile module for Ruby Details: It was discovered that RedCloth incorrectly handled certain inputs during html sanitisation. An attacker could possibly use this issue to cause a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: ruby-redcloth 4.3.2-4ubuntu0.23.04.1 Ubuntu 22.04 LTS: ruby-redcloth 4.3.2-4ubuntu0.22.04.1 Ubuntu 20.04 LTS: ruby-redcloth 4.3.2-3+deb10u1build0.20.04.1 Ubuntu 18.04 LTS (Available with Ubuntu Pro): ruby-redcloth 4.3.2-3ubuntu0.1~esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro): ruby-redcloth 4.2.9-5ubuntu0.1~esm1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6358-1 CVE-2023-31606 Package Information: https://launchpad.net/ubuntu/+source/ruby-redcloth/4.3.2-4ubuntu0.23.04.1 https://launchpad.net/ubuntu/+source/ruby-redcloth/4.3.2-4ubuntu0.22.04.1 https://launchpad.net/ubuntu/+source/ruby-redcloth/4.3.2-3+deb10u1build0.20.04.1
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Description: OpenPGP digital signature
