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.
CVSS Details
- CVSS 3.1 Base Score: 5.6
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade nodejs-packagingUpgrade c-ares-develUpgrade nodejs-full-i18nUpgrade nodejsUpgrade nodejs-docsUpgrade npmUpgrade nodejs-nodemonUpgrade nodejs-develUpgrade c-ares | May 4, 2022 | Nov 23, 2021 |
| Alpine Linux | — | Upgrade nodejsUpgrade c-aresUpgrade nodejs-current | Mar 26, 2024 | Nov 23, 2021 |
| Amazon Linux Ami 2 | — | Upgrade c-aresUpgrade c-ares-develUpgrade c-ares-debuginfo | Jan 10, 2024 | Nov 23, 2021 |
| Amazon_linux | — | Upgrade c-ares | Nov 5, 2021 | Aug 10, 2021 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Nov 23, 2021 |
| Centos_linux | — | Upgrade nodejsUpgrade c-ares-debugsourceUpgrade c-ares-debuginfoUpgrade c-ares-develUpgrade nodejs-nodemonUpgrade nodejs-full-i18nUpgrade nodejs-docsUpgrade nodejs-develUpgrade c-aresUpgrade npmUpgrade nodejs-debugsourceUpgrade nodejs-debuginfoUpgrade nodejs-packaging | Sep 22, 2021 | Sep 21, 2021 |
| Debian | — | Upgrade c-ares | Aug 12, 2021 | Aug 12, 2021 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Oct 15, 2021 |
| Freebsd | — | Upgrade py39-pycares | Apr 14, 2023 | Apr 9, 2023 |
| Gentoo Linux | — | Upgrade net-dns/c-ares.Upgrade net-libs/nodejs. | Jan 8, 2024 | Nov 23, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade c-ares-develUpgrade c-ares | Oct 26, 2021 | Oct 25, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade c-ares-develUpgrade c-ares | Nov 12, 2021 | Oct 25, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade c-ares-develUpgrade c-ares | Nov 2, 2021 | Oct 25, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade c-ares | Nov 12, 2021 | Oct 25, 2021 |
| Oracle Solaris | — | Upgrade library/libcares to version 1.17.2-11.4.37.0.1.101.1 on Solaris 11.4 | Oct 12, 2021 | Oct 12, 2021 |
| Oracle_linux | — | Upgrade nodejs-full-i18nUpgrade nodejs-packagingUpgrade npmUpgrade nodejs-nodemonUpgrade nodejsUpgrade c-ares-develUpgrade nodejs-develUpgrade nodejs-docsUpgrade c-ares | Sep 23, 2021 | Aug 10, 2021 |
| Redhat_linux | — | Upgrade c-ares-develUpgrade c-ares-debuginfoUpgrade nodejs-nodemonUpgrade nodejs-docsNo solution existsUpgrade npmUpgrade nodejs-packagingUpgrade nodejs-full-i18nUpgrade c-ares-debugsourceUpgrade nodejs-debugsourceUpgrade nodejs-debuginfoUpgrade nodejsUpgrade c-aresUpgrade nodejs-devel | Sep 22, 2021 | Sep 21, 2021 |
| Rocky_linux | — | Upgrade c-ares-debuginfoUpgrade c-ares-debugsourceUpgrade nodejs-full-i18nUpgrade npmUpgrade c-ares-develUpgrade nodejs-debugsourceUpgrade nodejsUpgrade nodejs-develUpgrade c-aresUpgrade nodejs-debuginfo | May 11, 2022 | Nov 23, 2021 |
| Suse | — | Upgrade nodejs12Upgrade npm14Upgrade nodejs10-docsUpgrade nodejs14-develUpgrade nodejs12-docsUpgrade nodejs12-develUpgrade nodejs10Upgrade nodejs10-develUpgrade libcares2-32bitUpgrade libcares-develUpgrade nodejs14-docsUpgrade libcares2Upgrade npm10Upgrade nodejs14Upgrade c-ares-develUpgrade c-ares-utilsUpgrade npm12 | Aug 11, 2021 | Aug 10, 2021 |
| Ubuntu | — | Upgrade libc-ares2 (Ubuntu Pro)Upgrade libc-ares2 | Aug 11, 2021 | Aug 10, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Nov 23, 2021 |
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