CVE-2021-21391, GHSA-3rh3-wfr4-76mj
npm/@ckeditor/ckeditor5-markdown-gfm
Uncontrolled Resource Consumption
CKEditor 5 provides a WYSIWYG editing solution. A regular expression denial of service (ReDoS) vulnerability has been discovered in multiple CKEditor 5 packages. The vulnerability allowed to abuse particular regular expressions, which could cause a significant performance drop resulting in a browser tab freeze.
All versions before 27.0.0
Upgrade to version 27.0.0 or above.
2021-05-12
source |