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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade nodejs-full-i18nUpgrade c-ares-develUpgrade nodejsUpgrade nodejs-packagingUpgrade c-aresUpgrade npmUpgrade nodejs-develUpgrade nodejs-docsUpgrade nodejs-nodemon | May 4, 2022 | Nov 23, 2021 |
| Alpine Linux | — | Upgrade nodejs-currentUpgrade nodejsUpgrade c-ares | Mar 26, 2024 | Nov 23, 2021 |
| Amazon Linux Ami 2 | — | Upgrade c-ares-develUpgrade c-ares-debuginfoUpgrade 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-packagingUpgrade nodejs-full-i18nUpgrade nodejs-debugsourceUpgrade npmUpgrade nodejs-docsUpgrade nodejs-nodemonUpgrade c-aresUpgrade nodejs-develUpgrade nodejs-debuginfoUpgrade c-ares-debuginfoUpgrade c-ares-debugsourceUpgrade c-ares-develUpgrade nodejs | 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-aresUpgrade c-ares-devel | 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-packagingUpgrade nodejs-nodemonUpgrade nodejs-full-i18nUpgrade npmUpgrade c-ares-develUpgrade nodejs-docsUpgrade nodejs-develUpgrade c-aresUpgrade nodejs | Sep 23, 2021 | Aug 10, 2021 |
| Redhat_linux | — | Upgrade c-ares-debuginfoUpgrade nodejs-full-i18nNo solution existsUpgrade nodejs-packagingUpgrade c-ares-develUpgrade nodejs-docsUpgrade c-ares-debugsourceUpgrade npmUpgrade nodejs-nodemonUpgrade nodejsUpgrade nodejs-debugsourceUpgrade nodejs-debuginfoUpgrade nodejs-develUpgrade c-ares | Sep 22, 2021 | Sep 21, 2021 |
| Rocky_linux | — | Upgrade c-ares-debuginfoUpgrade c-ares-develUpgrade nodejs-debugsourceUpgrade c-ares-debugsourceUpgrade nodejs-full-i18nUpgrade npmUpgrade nodejsUpgrade c-aresUpgrade nodejs-debuginfoUpgrade nodejs-devel | May 11, 2022 | Nov 23, 2021 |
| Suse | — | Upgrade c-ares-develUpgrade nodejs14Upgrade nodejs10-develUpgrade npm10Upgrade c-ares-utilsUpgrade libcares-develUpgrade nodejs14-docsUpgrade libcares2-32bitUpgrade libcares2Upgrade npm12Upgrade nodejs12-docsUpgrade nodejs10-docsUpgrade npm14Upgrade nodejs14-develUpgrade nodejs10Upgrade nodejs12Upgrade nodejs12-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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