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4.3
CVSSv2

CVE-2021-26272

Published: 26/01/2021 Updated: 01/03/2022
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
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Vulnerability Summary

It was possible to execute a ReDoS-type attack inside CKEditor 4 prior to 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).

Vulnerability Trend

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Vendor Advisories

Debian CVElist Bug Report Logs: ckeditor: CVE-2021-26271 CVE-2021-26272
Debian Bug report logs - #982587 ckeditor: CVE-2021-26271 CVE-2021-26272 Package: src:ckeditor; Maintainer for src:ckeditor is Debian Javascript Maintainers <pkg-javascript-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 12 Feb 2021 07:45:01 UTC Severity: important Tag ...

References

CWE-829https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416https://ckeditor.com/blog/CKEditor-4.16-with-improved-image-pasting-High-Contrast-support-and-a-new-color-API/#security-comes-firsthttps://www.oracle.com//security-alerts/cpujul2021.htmlhttps://www.oracle.com/security-alerts/cpuoct2021.htmlhttps://www.oracle.com/security-alerts/cpujan2022.htmlhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=982587https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-1183hard-codedCVE-2024-28254CVE-2023-43790buffer overflowbypassCVE-2024-32633CVE-2024-1874CVE-2024-23558
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