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[USN-8151-1] lambdaisland/uri vulnerability

Posted on 06 April 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8151-1
April 06, 2026

lambdaisland-uri-clojure vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

lambdaisland/uri could allow bypassing security checks or
redirecting users.

Software Description:
- 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.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
liblambdaisland-uri-clojure 1.13.95-2ubuntu0.24.04.1~esm2
Available with Ubuntu Pro

Ubuntu 22.04 LTS
liblambdaisland-uri-clojure 1.13.95-2ubuntu0.22.04.1~esm1
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-8151-1
CVE-2023-28628

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