TI-2026-30671 Aliases CVE-2026-42371 GHSA-3f6w-rmcx-pgmh

uriparser before 1.0.1 has numeric truncation in text range comparison, if an application…

LOW 22CWE-197Published 2026-04-27 · Updated 2026-04-27

Key facts

Attack vector: Local
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: Partial Red Hat: 1 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00172 6th percentileScored 2026-11-07

Fix Partial uriparser (uriparser): 1.0.1Red Hat: 1 advisoryRed Hat: 1 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
uriparser	uriparser	before 1.0.1	1.0.1	Patch available	CNA

uriparser Vendoruriparser Affected before 1.0.1 Fixed in 1.0.1 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:uriparser_project:uriparser::::::::	before 1.0.1	Vulnerable	uriparser

cpe:2.3:a:uriparser_project:uriparser:*:*:*:*:*:*:*:* Versions before 1.0.1 Vulnerable ·uriparser

Remediation

Fix · CNA uriparser (uriparser) Fixed in 1.0.1

Red Hat 1 advisory

RHSA-2026:12430 Released 2026-04-30 · Red Hat rating Moderate
Red Hat Hardened Images RPMs bug fix and enhancement update
- Red Hat Hardened Images mingw32-uriparser-1.0.1-1.hum1@noarch@public-hummingbird-aarch64-rpms, mingw32-uriparser-1.0.1-1.hum1@noarch@public-hummingbird-x86_64-rpms, mingw64-uriparser-1.0.1-1.hum1@noarch@public-hummingbird-aarch64-rpms +8

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 7	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux AI (RHEL AI) 3	Affected	No fix yet: Fix deferred
Red Hat Hardened Images	Fixed	RHSA-2026:12430

Timeline

2026-10-02 Threatist record created from CVE-2026-42371
2026-10-03 Alias added: GHSA-3f6w-rmcx-pgmh

References

TI-2018-13621 An issue was discovered in uriparser before 0.9.0. CVSS 3.0CRITICAL 9.8
TI-2018-13620 An issue was discovered in uriparser before 0.9.0. CVSS 3.0CRITICAL 9.8
TI-2024-22740 An issue was discovered in uriparser through 0.9.7. CVSS 3.1HIGH 8.6
TI-2018-14704 URI_FUNC() in UriParse.c in uriparser before 0.9.1 has an out-of-bounds read (in… CVSS 3.1CRITICAL 9.8
TI-2018-13622 An issue was discovered in uriparser before 0.9.0. CVSS 3.0HIGH 7.5
TI-2024-22741 An issue was discovered in uriparser through 0.9.7. CVSS 3.1MEDIUM 5.9

See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences