Is CVE-2016-5180 in the CISA KEV catalog?

No. CVE-2016-5180 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-5180?

CVE-2016-5180 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2016-5180?

CVE-2016-5180 has an EPSS score of 8.58% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-5180?

Upgrade c-ares on debian 11 to 1.12.0-1 or later. Fixes are available for 5 affected products.

CVE & CISA-KEV Catalog

CVE-2016-5180

CRITICALEPSS 94th pctl

9.8

CVSS v3

NVD

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.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

c-aresDebian

Fixed in:1.12.0-1CVE-2016-5180

c-aresUbuntu

Fixed in:1.10.0-2ubuntu0.1USN-3143-1

Fixed in:1.10.0-3ubuntu0.1USN-3143-1

libc-ares2Ubuntu

Fixed in:1.10.0-2ubuntu0.1USN-3143-1

Fixed in:1.10.0-3ubuntu0.1USN-3143-1

Node.jsWindows application

Affected:0.12.0 0.12.17Fixed in:0.12.17Node.js Foundation

Affected:0.10.0 0.10.48Fixed in:0.10.48Node.js Foundation

Affected:4.0.0 4.6.1Fixed in:4.6.1Node.js Foundation

Node.js (LTS)Windows application

Affected:4.0.0 4.6.1Fixed in:4.6.1Node.js Foundation

Affected:0.12.0 0.12.17Fixed in:0.12.17Node.js Foundation

Affected:0.10.0 0.10.48Fixed in:0.10.48Node.js Foundation

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

8.58%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Other references9

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.