vulnerability
FreeBSD: VID-43e9ffd4-d6e0-11ed-956f-7054d21a9e2a (CVE-2021-3672): py39-pycares -- domain hijacking vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:N/AC:M/Au:N/C:P/I:P/A:P) | Apr 9, 2023 | Apr 14, 2023 | Dec 10, 2025 |
Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
Apr 9, 2023
Added
Apr 14, 2023
Modified
Dec 10, 2025
Description
Philipp Jeitner and Haya Shulman report: 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.
Solution
freebsd-upgrade-package-py39-pycares
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.