CVE-2021-21391 Detail
This vulnerability is currently awaiting analysis.
Description
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.
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
CWE-ID | CWE Name | Source |
---|---|---|
CWE-400 | Uncontrolled Resource Consumption | GitHub, Inc. |
Change History
0 change records found show changes
Quick Info
CVE Dictionary Entry:
CVE-2021-21391
NVD Published Date:
04/28/2021
NVD Last Modified:
04/29/2021
Source:
GitHub, Inc.