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-nodemonUpgrade c-aresUpgrade nodejs-develUpgrade npmUpgrade nodejs-docsUpgrade nodejs-full-i18nUpgrade c-ares-develUpgrade nodejsUpgrade nodejs-packaging | May 4, 2022 | Nov 23, 2021 |
| Alpine Linux | — | Upgrade c-aresUpgrade nodejs-currentUpgrade nodejs | Mar 26, 2024 | Nov 23, 2021 |
| Amazon Linux Ami 2 | — | Upgrade c-ares-debuginfoUpgrade c-ares-develUpgrade c-ares | 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 nodejs-debugsourceUpgrade npmUpgrade nodejs-debuginfoUpgrade nodejs-packagingUpgrade nodejs-full-i18nUpgrade nodejs-docsUpgrade nodejs-develUpgrade nodejs-nodemonUpgrade c-aresUpgrade nodejsUpgrade c-ares-develUpgrade c-ares-debugsourceUpgrade c-ares-debuginfo | 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-libs/nodejs.Upgrade net-dns/c-ares. | 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-aresUpgrade c-ares-devel | 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 c-ares-develUpgrade nodejsUpgrade c-aresUpgrade nodejs-develUpgrade nodejs-docs | Sep 23, 2021 | Aug 10, 2021 |
| Redhat_linux | — | Upgrade c-ares-debugsourceUpgrade nodejs-nodemonUpgrade npmUpgrade nodejs-full-i18nUpgrade c-ares-develUpgrade nodejs-packagingUpgrade c-ares-debuginfoUpgrade nodejs-docsNo solution existsUpgrade c-aresUpgrade nodejs-debugsourceUpgrade nodejs-debuginfoUpgrade nodejs-develUpgrade nodejs | Sep 22, 2021 | Sep 21, 2021 |
| Rocky_linux | — | Upgrade npmUpgrade c-ares-debugsourceUpgrade c-ares-debuginfoUpgrade nodejs-full-i18nUpgrade nodejs-debugsourceUpgrade c-ares-develUpgrade nodejs-develUpgrade c-aresUpgrade nodejsUpgrade nodejs-debuginfo | May 11, 2022 | Nov 23, 2021 |
| Suse | — | Upgrade nodejs14-develUpgrade nodejs10Upgrade nodejs10-docsUpgrade nodejs12-docsUpgrade nodejs12Upgrade npm14Upgrade nodejs12-develUpgrade nodejs10-develUpgrade npm12Upgrade c-ares-develUpgrade npm10Upgrade nodejs14Upgrade libcares2Upgrade c-ares-utilsUpgrade nodejs14-docsUpgrade libcares2-32bitUpgrade libcares-devel | Aug 11, 2021 | Aug 10, 2021 |
| Ubuntu | — | Upgrade libc-ares2Upgrade libc-ares2 (Ubuntu Pro) | 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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