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HIGH

CVE-2023-33289

CVSS v3

7.5

HIGH

EPSS Score

1.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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."

Technical details

Published
2023-06-21

Frequently asked questions

What is CVE-2023-33289?

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."

Is CVE-2023-33289 actively exploited?

Active exploitation of CVE-2023-33289 has not been confirmed. Its EPSS score was 1.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-33289?

CVE-2023-33289 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2023-33289 affecting your environment?

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