EUVD-2026-25514

fkie_cve-2021-27405

A ReDoS (regular expression denial of service) flaw was found in the @progfay/scrapbox-parser package before 6.0.3 for Node.js.

GHSA-9fhw-r42p-5c7r — Regular expression Denial of Service in @progfay/scrapbox-parser

Affected: npm: @progfay/scrapbox-parser

### Impact

A [Regular expression Denial of Service](https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS) flaw was found in the @progfay/scrapbox-parser package before 6.0.3, 7.0.2 for Node.js. The attacker that is able to be parsed a specially crafted text may cause the application to consume an excessive amount of CPU.

### Patches

Upgrade to version 6.0.3, 7.0.2 or later.

### Workarounds

Avoid to parse text with a lot of `[` chars.

### References

* https://github.com/progfay/scrapbox-parser/pull/519 * https://github.com/progfay/scrapbox-parser/pull/539 * https://github.com/progfay/scrapbox-parser/pull/540 * https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-27405 * https://snyk.io/vuln/SNYK-JS-PROGFAYSCRAPBOXPARSER-1076803

### For more information If you have any questions or comments about this advisory: * Open an issue in [github.com/progfay/scrapbox-parser](https://github.com/progfay/scrapbox-parser/issues)

Most recent entries from all

EUVD-2026-25514

fkie_cve-2021-27405

GHSA-9fhw-r42p-5c7r — Regular expression Denial of Service in @progfay/scrapbox-parser

gsd-2021-27405