CVE-2016-5180: c-ares_project c-ares Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
AliasesALPINE-CVE-2016-5180MGASA-2016-0351SUSE-SU-2016:2898-1SUSE-SU-2016:3286-1SUSE-SU-2016:3287-1UBUNTU-CVE-2016-5180USN-3143-1DEBIAN-CVE-2016-5180DLA-648-1DSA-3682-1openSUSE-SU-2024:10147-1
Published 03-10-2016Last modified 06-08-2024
Vulnerability summary
CVE-2016-5180 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in c-ares_project c-ares. EPSS estimates a 8.58% chance of exploitation in the next 30 days, higher than 95% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
8.58%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 03-10-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
6 scores · 4 sources · 3 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Critical 9.8Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
8.58%
Chance of exploitation in the next 30 days
Percentile
95%
Versus all other CVEs
30-day change
0.00 pp
From 8.58% on 19-09-2026
19-09-202619-10-2026
EPSS score8.58%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse15 products
- libcares2&distro=SUSE Linux Enterprise Desktop 12 SP1< 1.9.1-5.1
- libcares2&distro=SUSE Linux Enterprise Desktop 12 SP2< 1.9.1-5.1
- libcares2&distro=SUSE Linux Enterprise Server 11 SP4< 1.7.4-7.9.1
- libcares2&distro=SUSE Linux Enterprise Server 12 SP1< 1.9.1-5.1
- libcares2&distro=SUSE Linux Enterprise Server 12 SP2< 1.9.1-5.1
Alpine2 products
- c-ares< 1.12.0-r0
- nodejs< 6.8.0-r0
Debian2 products
- c-ares< 1.12.0-1 | < 1.10.0-2+deb8u1 | < 1.9.1-3+deb7u1
- debian_linuxEOL8.0
C-ares1 product
- c-ares1.0.0 | 1.1.0 | 1.2.0 | 1.2.1 | 1.3.0 | 1.3.1 | 1.3.2 | 1.4.0 | 1.5.0 | 1.5.1 | 1.5.2 | 1.5.3 | 1.6.0 | 1.7.0 | 1.7.1 | 1.7.2 | 1.7.3 | 1.7.4 | 1.7.5 | 1.8.0 | 1.9.0 | 1.9.1 | 1.10.0
C-ares_project1 product
- c-ares1.11.0
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 16.10
Mageia1 product
- c-ares< 1.10.0-5.1.mga5
Nodejs1 product
- node.js≥ 0.10.0, < 0.10.48 | ≥ 0.12.0, < 0.12.17 | ≥ 4.0.0, < 4.6.1
Opensuse1 product
- c-ares&distro=openSUSE Tumbleweed< 1.12.0-1.1
Ubuntu1 product
- c-ares< 1.10.0-2ubuntu0.1 | < 1.10.0-3ubuntu0.1
10 vendors · 26 products
References
22 links- source.android.com/security/bulletin/2017-01-01.htmlX Refsource CONFIRM
- c-ares.haxx.se/CVE-2016-5180.patchX Refsource CONFIRM