CKEditor 4.0 < 4.16 Multiple ReDoS Vulnerabilities - Linux

CKEditor is prone to multiple regular expression denial of service ReDoS vulnerabilities. Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later Th...

Regular Expression Denial Of Service (ReDoS)

ckeditor4 is vulnerable to regular expression denial of service. An insecure usage of the regular expression allows an attacker to crash the user's browser through excessive memory consumption by tricking a user into pasting a malicious text into the Styles input in the Advanced Tab for Dialogs...

CVE-2021-26271

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs in the Advanced Tab for Dialogs plugin...

CVE-2021-26272

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space in the Autolink plugin...

CVE-2021-26272

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space in the Autolink plugin...

CVE-2021-26271

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs in the Advanced Tab for Dialogs plugin...

CVE-2021-26272

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space in the Autolink plugin...

Design/Logic Flaw

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space in the Autolink plugin...

CVE-2021-26272

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space in the Autolink plugin...

UBUNTU-CVE-2021-26272

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space in the Autolink plugin...

UBUNTU-CVE-2021-26271

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs in the Advanced Tab for Dialogs plugin...

CVE-2021-26271

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs in the Advanced Tab for Dialogs plugin...

Design/Logic Flaw

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs in the Advanced Tab for Dialogs plugin...

CVE-2021-26272

CVE-2021-26272 is a ReDoS in CKEditor 4 Autolink: by pasting crafted URL-like text and pressing Enter/Space, a victim can trigger a denial-of-service. The publicly documented detail confirms CKEditor 4.x up to before 4.16 is affected; remediation is to upgrade to CKEditor 4.16+ or apply a fix as ...

CVE-2021-26272

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space in the Autolink plugin...

CVE-2021-26272

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space in the Autolink plugin...

CVE-2021-26271

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs in the Advanced Tab for Dialogs plugin...

CVE-2021-26271

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs in the Advanced Tab for Dialogs plugin...

CVE-2021-26271

CVE-2021-26271 affects CKEditor 4 before 4.16. An attacker could trigger a ReDoS-type DoS by persuading a victim to paste crafted text into the Styles input of dialogs (Advanced Tab in the Dialogs plugin). Affected versions are CKEditor 4.x prior to 4.16; remediation is to upgrade to 4.16 or newe...

CKEditor Security Vulnerabilities

CKEditor is an open source, web-based text editor. A security vulnerability exists in CKEditor prior to CKEditor 4.16, which allows redos-type attacks to be executed in CKEditor 4 by inducing a victim to paste carefully crafted text into the styled input of a specific dialog box...