CVE-2022-24729

NameCVE-2022-24729
DescriptionCKEditor4 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ckeditor (PTS)jessie, jessie (lts)4.4.4+dfsg1-3+deb8u2vulnerable
stretch (security)4.5.7+dfsg-2+deb9u1vulnerable
stretch (lts), stretch4.5.7+dfsg-2+deb9u2vulnerable
buster4.11.1+dfsg-1vulnerable
bullseye4.16.0+dfsg-2vulnerable
bookworm4.19.1+dfsg-1fixed
sid, trixie4.22.1+dfsg1-2fixed
ckeditor3 (PTS)stretch3.6.6.1+dfsg-1fixed
buster3.6.6.1+dfsg-3fixed
sid, bullseye, trixie, bookworm3.6.6.1+dfsg-7fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ckeditorsourcestretch(unfixed)end-of-life
ckeditorsource(unstable)4.19.0+dfsg-1
ckeditor3source(unstable)(not affected)

Notes

[bullseye] - ckeditor <no-dsa> (Minor issue)
[buster] - ckeditor <no-dsa> (Minor issue)
- ckeditor3 <not-affected> (Vulnerable code not present)
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-f6rf-9m92-x2hh
https://github.com/ckeditor/ckeditor4/commit/8cff1e5aee3d766068792a374ba6b54a5cb92e2d (4.18.0)
[jessie] - ckeditor <postponed> (Minor issue)

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