CVE-2021-21254
CVE-2021-21254 · Regular expression Denial of Service in Markdown plugin
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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.
CVSS 6.5 · Moyenne · EPSS 1,8% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: node
Produits et versions concernés
ckeditor5
- Versions du logiciel
- < 25.0.0: Concernée
Aucun correctif publié
@ckeditor/ckeditor5-markdown-gfm npm
- Plages de versions concernées
- SEMVER: < 25.0.0
Mettez à jour vers 25.0.0