vulnerability
Rocky Linux: CVE-2021-3672: c-ares (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Nov 23, 2021 | May 11, 2022 | Mar 31, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Nov 23, 2021
Added
May 11, 2022
Modified
Mar 31, 2026
Description
A flaw was found in c-ares library, where a missing input validation check of host names returned by DNS (Domain Name Servers) can lead to output of wrong hostnames which might potentially lead to Domain Hijacking. The highest threat from this vulnerability is to confidentiality and integrity as well as system availability.
Solutions
rocky-upgrade-c-aresrocky-upgrade-c-ares-debuginforocky-upgrade-c-ares-debugsourcerocky-upgrade-c-ares-develrocky-upgrade-nodejsrocky-upgrade-nodejs-debuginforocky-upgrade-nodejs-debugsourcerocky-upgrade-nodejs-develrocky-upgrade-nodejs-full-i18nrocky-upgrade-npm
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.