vulnerability
Gentoo Linux: CVE-2021-3672: c-ares: Multiple Vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Nov 23, 2021 | Jan 8, 2024 | Mar 31, 2026 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Nov 23, 2021
Added
Jan 8, 2024
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
gentoo-linux-upgrade-net-dns-c-aresgentoo-linux-upgrade-net-libs-nodejs
Rapid7 Labs
2026 Global Threat Landscape Report
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