Regular expression Denial of Service in multiple packages
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 27.0.0
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
Timeline
- CVE published
- Record last updated
Affected versions
- ckeditor ckeditor5
fixed in 27.0.0
- @ckeditor/ckeditor5-enginenpm
fixed in 27.0.0
- @ckeditor/ckeditor5-fontnpm
fixed in 27.0.0
- @ckeditor/ckeditor5-imagenpm
fixed in 27.0.0
- @ckeditor/ckeditor5-listnpm
fixed in 27.0.0
- @ckeditor/ckeditor5-markdown-gfmnpm
fixed in 27.0.0
- @ckeditor/ckeditor5-media-embednpm
fixed in 27.0.0
- @ckeditor/ckeditor5-paste-from-officenpm
fixed in 27.0.0
- @ckeditor/ckeditor5-widgetnpm
fixed in 27.0.0