CVE-2021-43308: Regular expression denial of service in markdown-link-extractor

June 3, 2022

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

github.com/advisories/GHSA-mmh6-m7v9-5956
nvd.nist.gov/vuln/detail/CVE-2021-43308
research.jfrog.com/vulnerabilities/markdown-link-extractor-redos-xray-211350/

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