In affected versions of @ckeditor/ckeditor5-markdown-gfm
a regular expression denial of service (ReDoS) vulnerability has been discovered.
The vulnerability allowed to abuse a link recognition regular expression, which could cause a significant performance drop resulting in a browser tab freeze. It affects all users using the CKEditor 5 Markdown plugin at version <= 24.0.0.
Upgrade to version 25.0.0 or later
CPE | Name | Operator | Version |
---|---|---|---|
@ckeditor/ckeditor5-markdown-gfm | le | 24.0.0 |