========================================================================== Ubuntu Security Notice USN-6748-1 April 24, 2024
ruby-sanitize vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 22.04 LTS - Ubuntu 20.04 LTS Summary: Several security issues were fixed in Sanitize. Software Description: - ruby-sanitize: Allowlist-based HTML and CSS sanitizer Details: It was discovered that Sanitize incorrectly handled noscript elements under certain circumstances. An attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. This issue only affected Ubuntu 22.04 LTS. (CVE-2023-23627) It was discovered that Sanitize incorrectly handled style elements under certain circumstances. An attacker could possibly use this issue to execute a cross-site scripting (XSS) attack. (CVE-2023-36823) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: ruby-sanitize 6.0.0-1.1ubuntu0.23.10.1 Ubuntu 22.04 LTS: ruby-sanitize 6.0.0-1ubuntu0.1 Ubuntu 20.04 LTS: ruby-sanitize 4.6.6-2.1~0.20.04.2 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6748-1 CVE-2023-23627, CVE-2023-36823 Package Information: https://launchpad.net/ubuntu/+source/ruby-sanitize/6.0.0-1.1ubuntu0.23.10.1 https://launchpad.net/ubuntu/+source/ruby-sanitize/6.0.0-1ubuntu0.1 https://launchpad.net/ubuntu/+source/ruby-sanitize/4.6.6-2.1~0.20.04.2
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Description: OpenPGP digital signature
