CVE-2021-21391

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.
Configurations

Configuration 1

cpe:2.3:a:ckeditor:ckeditor5-widget:*:*:*:*:*:node.js:*:*
cpe:2.3:a:ckeditor:ckeditor5-paste-from-office:*:*:*:*:*:node.js:*:*
cpe:2.3:a:ckeditor:ckeditor5-media-embed:*:*:*:*:*:node.js:*:*
cpe:2.3:a:ckeditor:ckeditor5-markdown-gfm:*:*:*:*:*:node.js:*:*
cpe:2.3:a:ckeditor:ckeditor5-list:*:*:*:*:*:node.js:*:*
cpe:2.3:a:ckeditor:ckeditor5-image:*:*:*:*:*:node.js:*:*
cpe:2.3:a:ckeditor:ckeditor5-font:*:*:*:*:*:node.js:*:*
cpe:2.3:a:ckeditor:ckeditor5-engine:*:*:*:*:*:node.js:*:*

Information

Published : 2021-04-29 01:15

Updated : 2021-05-10 06:22


NVD link : CVE-2021-21391

Mitre link : CVE-2021-21391

Products Affected
No products.
CWE