What’s Vulnerable › Vulnerabilities

CVE-2023-33289

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-21 · updated 2026-06-17
• Weakness: CWE-1333

Description

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: through 0.1.4

References

• https://gist.github.com/6en6ar/b118888dc739e8979038f24c8ac33611
• https://github.com/progscrape/urlnorm
• https://lib.rs/crates/urlnorm
• https://news.ycombinator.com/item?id=40435263
• https://gist.github.com/6en6ar/b118888dc739e8979038f24c8ac33611
• https://github.com/progscrape/urlnorm
• https://lib.rs/crates/urlnorm

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