CKEditor 5 provides a WYSIWYG editing solution. This CVE affects the following npm packages: ckeditor5-engine, ckeditor5-font, ckeditor5-image, ckeditor5-list, ckeditor5-markdown-gfm, ckeditor5-media-embed, ckeditor5-paste-from-office, and ckeditor5-widget. Following an internal audit, 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. The problem has been recognized and patched. The fix will be available in version 27.0.0.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | ckeditor | <= 4.16.2+dfsg-1 | ckeditor_4.16.2+dfsg-1_all.deb |
Debian | 11 | all | ckeditor | <= 4.16.0+dfsg-2 | ckeditor_4.16.0+dfsg-2_all.deb |
Debian | 10 | all | ckeditor | <= 4.11.1+dfsg-1 | ckeditor_4.11.1+dfsg-1_all.deb |
Debian | 999 | all | ckeditor | <= 4.16.2+dfsg-1 | ckeditor_4.16.2+dfsg-1_all.deb |
Debian | 9 | all | ckeditor | < 4.5.7+dfsg-2 | ckeditor_4.5.7+dfsg-2_all.deb |