========================================================================== Ubuntu Security Notice USN-7366-2 July 23, 2025
ruby-rack vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.04 Summary: Several security issues were fixed in Rack. Software Description: - ruby-rack: modular Ruby webserver interface Details: USN-7366-1 fixed vulnerabilities in Rack. This update provides the corresponding updates for Ubuntu 25.04. Original advisory details: Nhật Thái Đỗ discovered that Rack incorrectly handled certain usernames. A remote attacker could possibly use this issue to perform CRLF injection. (CVE-2025-25184) Phạm Quang Minh discovered that Rack incorrectly handled certain headers. A remote attacker could possibly use this issue to perform log injection. (CVE-2025-27111) Phạm Quang Minh discovered that Rack did not properly handle relative file paths. A remote attacker could potentially exploit this to include local files that should have been inaccessible. (CVE-2025-27610) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.04 ruby-rack 2.2.7-1.1ubuntu0.25.04.2 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7366-2 https://ubuntu.com/security/notices/USN-7366-2 CVE-2025-25184, CVE-2025-27111, CVE-2025-27610 Package Information: https://launchpad.net/ubuntu/+source/ruby-rack/2.2.7-1.1ubuntu0.25.04.2
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