Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade c-aresUpgrade nodejs | Aug 30, 2017 | Oct 3, 2016 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Oct 3, 2016 |
| Debian | — | Upgrade c-ares | Oct 7, 2016 | Sep 30, 2016 |
| Freebsd | — | Upgrade node010Upgrade node4Upgrade node012 | Nov 14, 2016 | Oct 26, 2016 |
| Gentoo Linux | — | Upgrade net-dns/c-ares. | Oct 30, 2017 | Oct 3, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade c-aresUpgrade c-ares-devel | Sep 12, 2019 | Oct 3, 2016 |
| Huawei Euleros 2_0_sp3 | — | Upgrade c-ares-develUpgrade c-ares | Sep 25, 2019 | Oct 3, 2016 |
| Huawei Euleros 2_0_sp5 | — | Upgrade c-aresUpgrade c-ares-devel | Aug 16, 2019 | Oct 3, 2016 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Sep 29, 2016 |
| Suse | — | Upgrade c-ares-develUpgrade nodejs4Upgrade npm4Upgrade nodejs4-docsUpgrade nodejs4-develUpgrade libcares2Upgrade libcares-develUpgrade libcares2-32bit | Nov 9, 2016 | Oct 3, 2016 |
| Ubuntu | — | Upgrade libc-ares2 | Nov 30, 2016 | Oct 3, 2016 |
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