CVE catalog
CVE-2016-5180
c-ares: CVE-2016-5180
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 8.58% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | c-ares | sid | 1.34.9-1 | fixed |
| Debian | c-ares | forky | 1.34.8-1 | fixed |
| Debian | c-ares | trixie | 1.34.5-1+deb13u1 | fixed |
| Debian | c-ares | trixie-security | 1.34.5-1+deb13u1 | fixed |
| Debian | c-ares | bookworm | 1.18.1-3 | fixed |
| Alpine | c-ares | 3.2 | 1.12.0-r0 | fixed |
| Alpine | c-ares | 3.3 | 1.12.0-r0 | fixed |
| Alpine | c-ares | 3.4 | 1.12.0-r0 | fixed |
| Alpine | c-ares | 3.5 | 1.12.0-r0 | fixed |
| Alpine | c-ares | 3.6 | 1.12.0-r0 | fixed |
| Alpine | nodejs | 3.6 | 6.8.0-r0 | fixed |
| Ubuntu | c-ares | 14.04 | 1.10.0-2 | vulnerable |
| Ubuntu | c-ares | 14.04 | 1.10.0-2ubuntu0.1 | fixed |
| Ubuntu | c-ares | 16.04 | 1.10.0-2 | vulnerable |
| Ubuntu | c-ares | 16.04 | 1.10.0-3 | vulnerable |
| Ubuntu | c-ares | 16.04 | 1.10.0-3ubuntu0.1 | fixed |
| Ubuntu | c-ares | 14.04 | 1.10.0-2 | vulnerable |
| Ubuntu | c-ares | 14.04 | 1.10.0-2ubuntu0.1 | fixed |
| Ubuntu | c-ares | 16.04 | 1.10.0-2 | vulnerable |
| Ubuntu | c-ares | 16.04 | 1.10.0-3 | vulnerable |
| Ubuntu | c-ares | 16.04 | 1.10.0-3ubuntu0.1 | fixed |
| Suse | nodejs4 | linux enterprise module for web and scripting 12 | 4.6.1-11.1 | fixed |
| Opensuse | c-ares | tumbleweed | 1.12.0-1.1 | fixed |
| Suse | libcares2 | linux enterprise desktop 12 sp1 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise desktop 12 sp2 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise server for raspberry pi 12 sp2 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise software development kit 12 sp1 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise software development kit 12 sp2 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise server 12 sp1 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise server for sap applications 12 sp1 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise server 12 sp2 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise server for sap applications 12 sp2 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise workstation extension 12 sp1 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise workstation extension 12 sp2 | 1.9.1-5.1 | fixed |
| Suse | libcares2 | linux enterprise software development kit 11 sp4 | 1.7.4-7.9.1 | fixed |
| Suse | libcares2 | linux enterprise server 11 sp4 | 1.7.4-7.9.1 | fixed |
| Suse | libcares2 | linux enterprise server for sap applications 11 sp4 | 1.7.4-7.9.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | c-ares | source | sid | 1.12.0-1 | medium | Not reported | [839151] |
| Debian | c-ares | source | forky | 1.12.0-1 | medium | Not reported | [839151] |
| Debian | c-ares | source | trixie | 1.12.0-1 | medium | Not reported | [839151] |
| Debian | c-ares | source | bookworm | 1.12.0-1 | medium | Not reported | [839151] |
| Alpine | c-ares | apk | 3.2 | 1.12.0-r0 | Not reported | ALPINE-CVE-2016-5180 | Not reported |
| Alpine | c-ares | apk | 3.3 | 1.12.0-r0 | Not reported | ALPINE-CVE-2016-5180 | Not reported |
| Alpine | c-ares | apk | 3.4 | 1.12.0-r0 | Not reported | ALPINE-CVE-2016-5180 | Not reported |
| Alpine | c-ares | apk | 3.5 | 1.12.0-r0 | Not reported | ALPINE-CVE-2016-5180 | Not reported |
| Alpine | c-ares | apk | 3.6 | 1.12.0-r0 | Not reported | ALPINE-CVE-2016-5180 | Not reported |
| Alpine | nodejs | apk | 3.6 | 6.8.0-r0 | Not reported | ALPINE-CVE-2016-5180 | Not reported |
| Ubuntu | c-ares | deb | 14.04 | 1.10.0-2ubuntu0.1 | Not reported | UBUNTU-CVE-2016-5180 | Not reported |
| Ubuntu | c-ares | deb | 16.04 | 1.10.0-3ubuntu0.1 | Not reported | UBUNTU-CVE-2016-5180 | Not reported |
| Ubuntu | c-ares | deb | 14.04 | 1.10.0-2ubuntu0.1 | Not reported | USN-3143-1 | Not reported |
| Ubuntu | c-ares | deb | 16.04 | 1.10.0-3ubuntu0.1 | Not reported | USN-3143-1 | Not reported |
| Suse | nodejs4 | rpm | linux enterprise module for web and scripting 12 | 4.6.1-11.1 | Not reported | SUSE-SU-2016:2898-1 | Not reported |
| Opensuse | c-ares | rpm | tumbleweed | 1.12.0-1.1 | Not reported | OPENSUSE-SU-2024:10147-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise desktop 12 sp1 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise desktop 12 sp2 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise server for raspberry pi 12 sp2 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise software development kit 12 sp1 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise software development kit 12 sp2 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise server 12 sp1 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise server for sap applications 12 sp1 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise server 12 sp2 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise server for sap applications 12 sp2 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise workstation extension 12 sp1 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise workstation extension 12 sp2 | 1.9.1-5.1 | Not reported | SUSE-SU-2016:3286-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise software development kit 11 sp4 | 1.7.4-7.9.1 | Not reported | SUSE-SU-2016:3287-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise server 11 sp4 | 1.7.4-7.9.1 | Not reported | SUSE-SU-2016:3287-1 | Not reported |
| Suse | libcares2 | rpm | linux enterprise server for sap applications 11 sp4 | 1.7.4-7.9.1 | Not reported | SUSE-SU-2016:3287-1 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
[Debian 12 (Bookworm)]
- [libc-ares2]Unknown
Source package: [c-ares]
Details (2)
1.18.1-3· amd64 · bookwormFixed · Fixed:
1.12.0-1dsa · c-ares · debian · bookworm; dsa · c-ares · debian · 12
1.18.1-3· arm64 · bookwormFixed · Fixed:
1.12.0-1dsa · c-ares · debian · bookworm; dsa · c-ares · debian · 12
- [libc-ares-dev]Unknown
Source package: [c-ares]
Details (2)
1.18.1-3· amd64 · bookwormFixed · Fixed:
1.12.0-1dsa · c-ares · debian · bookworm; dsa · c-ares · debian · 12
1.18.1-3· arm64 · bookwormFixed · Fixed:
1.12.0-1dsa · c-ares · debian · bookworm; dsa · c-ares · debian · 12
[Debian 13 (Trixie)]
- [libc-ares2]Unknown
Source package: [c-ares]
Details (4)
1.34.5-1+deb13u1· all · trixieFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
1.34.5-1+deb13u1· all · trixieFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
1.34.5-1+deb13u1· all · trixie-securityFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
1.34.5-1+deb13u1· all · trixie-securityFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
- [libcares2]Unknown
Source package: [c-ares]
Details (4)
1.34.5-1+deb13u1· amd64 · trixieFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
1.34.5-1+deb13u1· arm64 · trixieFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
1.34.5-1+deb13u1· amd64 · trixie-securityFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
1.34.5-1+deb13u1· arm64 · trixie-securityFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
- [libc-ares-dev]Unknown
Source package: [c-ares]
Details (4)
1.34.5-1+deb13u1· amd64 · trixieFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
1.34.5-1+deb13u1· arm64 · trixieFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
1.34.5-1+deb13u1· amd64 · trixie-securityFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
1.34.5-1+deb13u1· arm64 · trixie-securityFixed · Fixed:
1.12.0-1dsa · c-ares · debian · 13
[openSUSE Tumbleweed]
- [c-ares-devel]Unknown
Source package: [c-ares]
Details (1)
1.34.8-1.1· x86_64 · tumbleweedUnknown · Fixed:
1.12.0-1.1Version impact unknown
dsa · c-ares · opensuse · tumbleweed
- [c-ares-utils]Unknown
Source package: [c-ares]
Details (1)
1.34.8-1.1· x86_64 · tumbleweedUnknown · Fixed:
1.12.0-1.1Version impact unknown
dsa · c-ares · opensuse · tumbleweed
- [libcares2]Unknown
Source package: [c-ares]
Details (1)
1.34.8-1.1· x86_64 · tumbleweedUnknown · Fixed:
1.12.0-1.1Version impact unknown
dsa · c-ares · opensuse · tumbleweed
- [libcares2-32bit]Unknown
Source package: [c-ares]
Details (1)
1.34.8-1.1· x86_64 · tumbleweedUnknown · Fixed:
1.12.0-1.1Version impact unknown
dsa · c-ares · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2016_2898-1.json]
- [https://osv.dev/vulnerability/ALPINE-CVE-2016-5180]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2016-5180]
- [https://osv.dev/vulnerability/DLA-648-1]
- [https://osv.dev/vulnerability/DSA-3682-1]
- [https://osv.dev/vulnerability/SUSE-SU-2016:2898-1]
- [https://osv.dev/vulnerability/SUSE-SU-2016:3286-1]
- [https://osv.dev/vulnerability/SUSE-SU-2016:3287-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2016-5180]
- [https://osv.dev/vulnerability/USN-3143-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:10147-1]
- [https://security-tracker.debian.org/tracker/CVE-2016-5180]
- [https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-5180.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2017/wid-sec-w-2026-3114.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]