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Regular expression denial of service in markdown-link-extractor

Low severity GitHub Reviewed Published Jun 3, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

npm markdown-link-extractor (npm)

Affected versions

< 3.0.2
>= 4.0.0, < 4.0.1

Patched versions

3.0.2
4.0.1

Description

An exponential ReDoS (Regular Expression Denial of Service) can be triggered in the markdown-link-extractor npm package, when an attacker is able to supply arbitrary input to the module's exported function

References

Published by the National Vulnerability Database Jun 2, 2022
Published to the GitHub Advisory Database Jun 3, 2022
Reviewed Jun 3, 2022
Last updated Jan 27, 2023

Severity

Low

EPSS score

0.086%
(38th percentile)

Weaknesses

CVE ID

CVE-2021-43308

GHSA ID

GHSA-mmh6-m7v9-5956
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