CVE-2016-5180
CRITICAL9.8EPSS 18.1%c-ares - security update
Published: 10/3/2016Modified: 4/28/2026
Description
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.
Affected packages (5)
- Alpine/c-aresfrom 0, < 1.12.0-r0
- Alpine/nodejsfrom 0, < 6.8.0-r0
- Debian/c-aresfrom 0, < 1.12.0-1
- Debian/c-aresfrom 0, < 1.9.1-3+deb7u1
- Debian/c-aresfrom 0, < 1.10.0-2+deb8u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |