CVE-2026-42371: uriparser 1.0.1 fixes CVE-2026-42371 (integer overflow)
Fixed CVE-2026-42371 (uriparser before 1.0.1 has numeric truncation in text range comparison). (CVE-2026-42371)
Other sources
uriparser before 1.0.1 has numeric truncation in text range comparison, if an application accepts URIs with a length in gigabytes.
— NVD
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 8.5.6 - Upgrade
Upgrade
alpine/php85to a version that resolves this vulnerability.Fixed in 8.5.6-r0 - Upgrade
Upgrade
uriparserto a version that resolves this vulnerability.Fixed in 1.0.1
Event History
Frequently Asked Questions
What is the severity of CVE-2026-42371?
CVE-2026-42371 has a medium severity due to numeric truncation vulnerabilities when handling large URIs.
How do I fix CVE-2026-42371?
To fix CVE-2026-42371, update uriparser to version 1.0.1 or later.
What software is affected by CVE-2026-42371?
CVE-2026-42371 affects versions of uriparser prior to 1.0.1.
What type of vulnerability is CVE-2026-42371?
CVE-2026-42371 is classified as a numeric truncation vulnerability.
What impact does CVE-2026-42371 have on applications?
CVE-2026-42371 may lead to unexpected behavior in applications that process large URIs.