Ubuntu Security Notices USN-8151-1 USN-8151-1: lambdaisland/uri vulnerability Publication date 6 April 2026 Overview lambdaisland/uri could allow bypassing security checks or redirecting users. Releases 24.04 LTS 22.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Packages lambdaisland-uri-clojure - A pure Clojure/ClojureScript URI library. Details It was discovered that lambdaisland/uri did not properly sanitize the backslash character in URI strings. An attacker could possibly use this issue to bypass security checks or redirect users. It was discovered that lambdaisland/uri did not properly sanitize the backslash character in URI strings. An attacker could possibly use this issue to bypass security checks or redirect users. Update instructions In general, a standard system update will make all the necessary changes. Learn more about how to get the fixes. The problem can be corrected by updating your system to the following package versions: Ubuntu Release Package Version 24.04 LTS noble liblambdaisland-uri-clojure – 1.13.95-2ubuntu0.24.04.1~esm2 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. 22.04 LTS jammy liblambdaisland-uri-clojure – 1.13.95-2ubuntu0.22.04.1~esm1 Ubuntu Pro Fix available with Ubuntu Pro via ESM Apps. A community fix might become publicly available in the future. Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Get Ubuntu Pro References CVE-2023-28628 CVE-2023-28628