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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. VulnerabilitiesSearch And Statistics

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Search Parameters:
  • Results Type: Overview
  • Keyword (text search): cpe:2.3:a:ckeditor:ckeditor5:11.0.0:*:*:*:*:*:*:*
  • CPE Name Search: true
There are 1 matching records.
Displaying matches 1 through 1.
Vuln ID Summary CVSS Severity
CVE-2021-21254

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.

Published: January 29, 2021; 5:15:14 PM -0500 		V4.0:(not available)
 V3.1: 6.5 MEDIUM
V2.0: 4.0 MEDIUM