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...

Denial of service

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...

UBUNTU-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...

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...

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...

CVE-2021-21391 Regular expression Denial of Service in multiple packages

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...

CVE-2021-21391

CVE-2021-21391 affects CKEditor 5 npm packages including ckeditor5-engine, -font, -image, -list, -markdown-gfm, -media-embed, -paste-from-office, and -widget. Root cause: a regular expression denial of service (ReDoS) vulnerability that can cause a significant performance drop and browser tab fre...

CVE-2021-21391

Removed by vendor...

CKEditor 资源管理错误漏洞

CKEditor is an open source, web-based text editor. CKEditor 5 suffers from a resource management error vulnerability that stems from a regular expression denial of service ReDoS vulnerability. The vulnerability allows misuse of a specific regular expression, which could result in a significant...

GHSA-3RH3-WFR4-76MJ Regular expression Denial of Service in multiple packages

Impact 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...

Regular expression Denial of Service in multiple packages

Impact 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...

Regular Expression Denial of Service

Overview In affected versions of @ckeditor/ckeditor5-markdown-gfm a regular expression denial of service ReDoS vulnerability has been discovered. Impact The vulnerability allowed to abuse a link recognition regular expression, which could cause a significant performance drop resulting in a browse...

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, whi...

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, whi...

Design/Logic Flaw

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, whi...

CVE-2021-21254

CVE-2021-21254 affects CKEditor 5 Markdown plugin (@ckeditor/ckeditor5-markdown-gfm) versions ≤ 24.0.0. A ReDoS vulnerability arises from the plugin’s link-recognition regex, enabling significant performance degradation and browser tab freezes. The issue is fixed in version 25.0.0, with advisorie...

CVE-2021-21254 Regular expression Denial of Service in Markdown plugin

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, whi...

CKEditor 5 Markdown plugin Regular expression Denial of Service

Impact A regular expression denial of service ReDoS vulnerability has been discovered in the CKEditor 5 Markdown plugin code. The vulnerability allowed to abuse a link recognition regular expression, which could cause a significant performance drop resulting in a browser tab freeze. It affects al...

GHSA-HGMG-HHC8-G5WR CKEditor 5 Markdown plugin Regular expression Denial of Service

Impact A regular expression denial of service ReDoS vulnerability has been discovered in the CKEditor 5 Markdown plugin code. The vulnerability allowed to abuse a link recognition regular expression, which could cause a significant performance drop resulting in a browser tab freeze. It affects al...

PT-2021-14364 · Ckeditor · Ckeditor 5 Markdown Plugin

Name of the Vulnerable Software and Affected Versions: CKEditor 5 Markdown plugin versions prior to 25.0.0 Description: The CKEditor 5 Markdown plugin has a regex denial of service ReDoS vulnerability. This vulnerability allows the abuse of link recognition regular expressions, which could cause ...