Asymmetric denial of service In @ckeditor/ckeditor5-paste-from-office
Description
Regular expression Denial of Service in multiple packages
Impact
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. It affects all users using the CKEditor 5 packages listed above at version <= 26.0.0.
Patches
The problem has been recognized and patched. The fix will be available in version 27.0.0.
For more information
Email us at [email protected] if you have any questions or comments about this advisory.
Acknowledgements
The CKEditor 5 team would like to thank Yeting Li for recognizing and reporting these vulnerabilities.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Package | Affected version | Patched versions |
|---|---|---|---|
 npm | 27.0.0 | ||
npm | 27.0.0 | ||
npm | 27.0.0 | ||
npm | 27.0.0 | ||
npm | 27.0.0 | ||
npm | 27.0.0 | ||
npm | 27.0.0 | ||
npm | 27.0.0 |
Aliases
References