DEBIAN-CVE-2021-26272

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Source
https://security-tracker.debian.org/tracker/CVE-2021-26272
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26272.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-26272
Upstream
Published
2021-01-26T21:15:12.923Z
Modified
2025-11-19T02:02:49.353893Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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).

References

Affected packages

Debian:11 / ckeditor

Package

Name
ckeditor
Purl
pkg:deb/debian/ckeditor?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.16.0+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26272.json"

Debian:12 / ckeditor

Package

Name
ckeditor
Purl
pkg:deb/debian/ckeditor?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.16.0+dfsg-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-26272.json"