c-ares is an asynchronous resolver library. ares_inet_net_pton() is vulnerable to a buffer underflow for certain ipv6 addresses, in particular "0::00:00:00/2" was found to cause an issue. C-ares only uses this function internally for configuration purposes which would require an administrator to configure such an address via ares_set_sortlist(). However, users may externally use ares_inet_net_pton() for other purposes and thus be vulnerable to more severe issues. This issue has been fixed in 1.19.1.
CVSS Details
- CVSS 3.1 Base Score: 4.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade nodejs-packagingUpgrade nodejs-docsUpgrade nodejs-nodemonUpgrade nodejs-develUpgrade c-ares-develUpgrade nodejs-full-i18nUpgrade npmUpgrade nodejsUpgrade nodejs-libsUpgrade c-aresUpgrade nodejs-packaging-bundler | Jun 27, 2023 | May 25, 2023 |
| Amazon Linux Ami 2 | — | Upgrade c-aresUpgrade c-ares-debuginfoUpgrade ecs-service-connect-agentUpgrade c-ares-devel | Sep 28, 2023 | May 25, 2023 |
| Amazon_linux_2023 | — | Upgrade c-ares-debuginfoUpgrade c-ares-debugsourceUpgrade c-ares-develUpgrade c-aresUpgrade ecs-service-connect-agent | Feb 17, 2025 | May 22, 2023 |
| Centos_linux | — | Upgrade npmUpgrade c-ares-debuginfoUpgrade nodejsUpgrade c-aresUpgrade nodejs-debuginfoUpgrade nodejs-packaging-bundlerUpgrade nodejs-develUpgrade nodejs-libs-debuginfoUpgrade nodejs-nodemonUpgrade nodejs-libsUpgrade nodejs-full-i18nUpgrade c-ares-debugsourceUpgrade c-ares-develUpgrade nodejs-debugsourceUpgrade nodejs-docsUpgrade nodejs-packaging | Jun 15, 2023 | May 25, 2023 |
| Debian | — | Upgrade c-ares | Jun 8, 2023 | May 25, 2023 |
| Gentoo Linux | — | Upgrade net-dns/c-ares. | Oct 10, 2023 | May 25, 2023 |
| Huawei Euleros 2_0_sp10 | — | Upgrade c-ares | Jan 10, 2024 | May 25, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade c-ares | Jan 10, 2024 | May 25, 2023 |
| Huawei Euleros 2_0_sp8 | — | Upgrade c-aresUpgrade c-ares-devel | Jan 10, 2024 | May 25, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade c-ares | Aug 9, 2023 | May 25, 2023 |
| Oracle_linux | — | Upgrade nodejs-develUpgrade c-aresUpgrade npmUpgrade nodejs-docsUpgrade nodejs-nodemonUpgrade nodejs-packaging-bundlerUpgrade nodejs-libsUpgrade nodejs-packagingUpgrade c-ares-develUpgrade nodejs-full-i18nUpgrade nodejs | Jun 15, 2023 | May 22, 2023 |
| Redhat_linux | — | Upgrade nodejs-debuginfoUpgrade nodejs-debugsourceUpgrade npmUpgrade nodejs-packaging-bundlerUpgrade nodejs-libs-debuginfoUpgrade nodejs-develUpgrade c-aresUpgrade c-ares-debuginfoUpgrade c-ares-develUpgrade nodejsUpgrade nodejs-libsUpgrade c-ares-debugsourceUpgrade nodejs-full-i18nNo solution existsUpgrade nodejs-docsUpgrade nodejs-packagingUpgrade nodejs-nodemon | Jun 15, 2023 | May 25, 2023 |
| Rocky_linux | — | Upgrade npmUpgrade c-ares-debuginfoUpgrade c-ares-debugsourceUpgrade c-ares-develUpgrade nodejs-develUpgrade nodejsUpgrade nodejs-full-i18nUpgrade nodejs-debugsourceUpgrade c-aresUpgrade nodejs-debuginfo | Mar 5, 2024 | May 25, 2023 |
| Suse | — | Upgrade libcares-develUpgrade nodejs16-docsUpgrade nodejs18Upgrade npm16Upgrade corepack18Upgrade libcares2Upgrade libcares2-32bitUpgrade npm18Upgrade corepack16Upgrade nodejs16Upgrade nodejs18-develUpgrade c-ares-develUpgrade nodejs16-develUpgrade nodejs18-docsUpgrade c-ares-utils | May 31, 2023 | May 25, 2023 |
| Ubuntu | — | Upgrade libc-ares2 (Ubuntu Pro)Upgrade libc-ares2 | Jun 15, 2023 | May 25, 2023 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | May 25, 2023 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub