Regular Expression Denial of Service (REDoS) in Marked
### Impact _What kind of vulnerability is it? Who is impacted?_ [Regular expression Denial of Service](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS) A Denial of Service attack can affect anyone who runs user generated code through `marked`. ### Patches _Has the problem been patched? What versions should users upgrade to?_ patched in v2.0.0 ### Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_ None. ### References _Are there any links users can visit to find out more?_ https://github.com/markedjs/marked/issues/1927 https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS ### For more information If you have any questions or comments about this advisory: * Open an issue in [marked](https://github.com/markedjs/marked/issues)
beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2021-21306US | high7.5 | — | ||
Marked is an open-source markdown parser and compiler (npm package "marked"). In marked from version 1.1.1 and before version 2.0.0, there is a Regular expression Denial of Service… | ||||
Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/markedjs/marked/commit/7293251c438e3ee968970f7609f1a27f9007bccdWEB
- https://github.com/markedjs/marked/issues/1927WEB
- https://github.com/markedjs/marked/pull/1864WEB
- https://github.com/markedjs/marked/security/advisories/GHSA-4r62-v4vq-hr96WEB
- https://nvd.nist.gov/vuln/detail/CVE-2021-21306ADVISORY
- https://www.npmjs.com/package/markedWEB
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