CVE-2021-43309

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the uri-template-lite npm package, when an attacker is able to supply arbitrary input to the "URI.expand" method

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-1333

Affected software

Vendor	Product	Versions
uri-template-lite	uri-template-lite	< 22.9.0

References

https://github.com/litejs/uri-template-lite/compare/v22.1.0...v22.9.0
https://research.jfrog.com/vulnerabilities/uri-template-lite-redos-xray-211351/Exploit, Third Party Advisory
https://github.com/litejs/uri-template-lite/compare/v22.1.0...v22.9.0
https://research.jfrog.com/vulnerabilities/uri-template-lite-redos-xray-211351/Exploit, Third Party Advisory

Timeline

Published: Aug 24, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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