DEBIAN-CVE-2026-13676

fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode IDN hostnames for HTTP-family URLs. The IDN conversion path calls a helper that does not exist on the global URL constructor, silently leaving the host in its original Unicode form while normalize and equal still return...

CVE-2026-13676

fast-uri versions 2.3.1 through 3.1.2 and 4.0.0 fail to canonicalize Unicode IDN hostnames for HTTP-family URLs. The IDN conversion path calls a helper that does not exist on the global URL constructor, silently leaving the host in its original Unicode form while normalize and equal still return...

PT-2026-53267

Name of the Vulnerable Software and Affected Versions fast-uri versions 2.3.1 through 3.1.2 fast-uri version 4.0.0 Description The software fails to canonicalize Unicode Internationalized Domain Names IDN for HTTP-family URLs. This occurs because the IDN conversion path utilizes a helper missing...

UBUNTU-CVE-2026-6322

fast-uri normalize decoded percent-encoded authority delimiters inside the host component and then re-emitted them as raw delimiters during serialization. A host that combined an allowed domain, an encoded at-sign, and a different domain was re-emitted with the at-sign as a raw userinfo separator...