CVE-2026-42371

Name: CVE-2026-42371
Creator: NVD / NIST
Published: 2026-04-27T07:16:04.173+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.1/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2026-42371 is a medium-severity vulnerability rated 5.1/10 on the CVSS scale. uriparser before 1.0.1 has numeric truncation in text range comparison, if an application accepts URIs with a length in gigabytes.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

uriparser before 1.0.1 has numeric truncation in text range comparison, if an application accepts URIs with a length in gigabytes.

Metrics

CVSS 3.1

5.1/10

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.17%

6.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-197

Affected Software

Vendor	Product	Versions
Uriparser Project	Uriparser	< 1.0.1

References

https://github.com/uriparser/uriparser/pull/298Issue Tracking, Patch
https://uriparser.github.ioProduct
http://www.openwall.com/lists/oss-security/2026/04/27/2Mailing List, Third Party Advisory

Timeline

Published: Apr 27, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-42371?

uriparser before 1.0.1 has numeric truncation in text range comparison, if an application accepts URIs with a length in gigabytes.

How severe is CVE-2026-42371?

CVE-2026-42371 has a CVSS score of 5.1/10 (MEDIUM severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2026-42371?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-42371?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST