CVE-2021-26271
Published: 26 January 2021
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).
Notes
Author | Note |
---|---|
litios |
No specific patch was found |
Priority
Status
Package | Release | Status |
---|---|---|
ckeditor
Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
focal |
Needs triage
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Released
(4.16.0+dfsg-2)
|
|
jammy |
Not vulnerable
(4.16.2+dfsg-1)
|
|
kinetic |
Not vulnerable
(4.16.2+dfsg-1)
|
|
lunar |
Not vulnerable
(4.16.2+dfsg-1)
|
|
mantic |
Not vulnerable
(4.16.2+dfsg-1)
|
|
noble |
Not vulnerable
(4.16.2+dfsg-1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(4.16)
|
|
xenial |
Needs triage
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.5 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |