Saturday, January 30, 2021

CVE-2021-21254

Description

CKEditor 5 is an open source rich text editor framework with a modular architecture. The CKEditor 5 Markdown plugin (@ckeditor/ckeditor5-markdown-gfm) before version 25.0.0 has a regex denial of service (ReDoS) vulnerability. The vulnerability allowed to abuse link recognition regular expression, which could cause a significant performance drop resulting in browser tab freeze. It affects all users using CKEditor 5 Markdown plugin at version <= 24.0.0. The problem has been recognized and patched. The fix will be available in version 25.0.0.

References to Advisories, Solutions, and Tools


References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace.
We have provided these links to other web sites because they
may have information that would be of interest to you. No
inferences should be drawn on account of other sites being
referenced, or not, from this page. There may be other web
sites that are more appropriate for your purpose. NIST does
not necessarily endorse the views expressed, or concur with
the facts presented on these sites. Further, NIST does not
endorse any commercial products that may be mentioned on
these sites. Please address comments about this page to [email protected]
Resourcehttps://github.com/ckeditor/ckeditor5/releases/tag/v25.0.0https://github.com/ckeditor/ckeditor5/security/advisories/GHSA-hgmg-hhc8-g5wrhttps://www.npmjs.com/package/@ckeditor/ckeditor5-markdown-gfm
 

Copyright © 2021 Vulnerability Database | Cyber Details™

thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore