Is CVE-2026-42371 actively exploited?

CVE-2026-42371 has no public evidence of in-the-wild exploitation as of 2026-04-27.

What is the CVSS score for CVE-2026-42371?

CVE-2026-42371 has a CVSS score of 5.1 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2026-42371?

Vendor patch guidance is linked from the references on this page. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-42371.

Which products are affected by CVE-2026-42371?

Affected products for CVE-2026-42371 are listed on this page once vendor data becomes available.

CVE-2026-42371 - remediation guidance & executive summary

Description

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

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: local
Complexity: high
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-197

Metadata

Primary Vendor: UNKNOWN
Published: 4/27/2026
Last Modified: 4/27/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-42371

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary