CVE-2022-24729

Name	CVE-2022-24729
Description	CKEditor4 is an open source what-you-see-is-what-you-get HTML editor. CKEditor4 prior to version 4.18.0 contains a vulnerability in the `dialog` plugin. The vulnerability allows abuse of a dialog input validator regular expression, which can cause a significant performance drop resulting in a browser tab freeze. A patch is available in version 4.18.0. There are currently no known workarounds.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ckeditor (PTS)	stretch	4.5.7+dfsg-2	vulnerable
	stretch (security)	4.5.7+dfsg-2+deb9u1	vulnerable
	buster	4.11.1+dfsg-1	vulnerable
	bullseye	4.16.0+dfsg-2	vulnerable
	bookworm, sid	4.16.2+dfsg-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ckeditor	source	(unstable)	(unfixed)

https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh