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Test ID:1.3.6.1.4.1.25623.1.0.117500
Category:Denial of Service
Title:CKEditor 4.0 < 4.16 Multiple ReDoS Vulnerabilities - Windows
Summary:CKEditor is prone to multiple regular expression denial of; service (ReDoS) vulnerabilities.
Description:Summary:
CKEditor is prone to multiple regular expression denial of
service (ReDoS) vulnerabilities.

Vulnerability Insight:
The following vulnerabilities exist:

- CVE-2021-26271: ReDoS in the Advanced Tab for Dialogs plugin

- CVE-2021-26272: ReDoS in the Autolink plugin

Affected Software/OS:
CKEditor version 4.0 through 4.15.1.

Solution:
Update to version 4.16 or later

CVSS Score:
4.3

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:N/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-26271
https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-first
https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com/security-alerts/cpuoct2021.html
Common Vulnerability Exposure (CVE) ID: CVE-2021-26272
https://www.oracle.com/security-alerts/cpujan2022.html
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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