CVE-2023-33289: Urlnorm Project Urlnorm

High severity, CVSS 7.5. EPSS: 1.2% chance of exploitation in the next 30 days.

The urlnorm crate through 0.1.4 for Rust allows Regular Expression Denial of Service (ReDos) via a crafted URL to lib.rs. NOTE: the Supplier disputes this, taking the position that "Slow printing of URLs is not a CVE."

Affected products

• Urlnorm Project Urlnorm: up to and including 0.1.4

Published 2023-06-21. Last modified 2026-06-17.