CVE & CISA-KEV Catalog

CVE-2016-0746

CRITICALEPSS 94th pctl
9.8
CVSS v3
NVD

Description

Use-after-free vulnerability in the resolver in nginx 0.6.18 through 1.8.0 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (worker process crash) or possibly have unspecified other impact via a crafted DNS response related to CNAME response processing.

CWE-416Use After Free

How to fix

Remediation Available
nginxDebian
Fixed in:1.9.10-1CVE-2016-0746
Fixed in:1.9.10-1CVE-2016-0746
Fixed in:1.9.10-1CVE-2016-0746
Fixed in:1.9.10-1CVE-2016-0746
nginxUbuntu
Fixed in:1.4.6-1ubuntu3.4USN-2892-1
nginx-coreUbuntu
Fixed in:1.4.6-1ubuntu3.4USN-2892-1
nginx-extrasUbuntu
Fixed in:1.4.6-1ubuntu3.4USN-2892-1
nginx-fullUbuntu
Fixed in:1.4.6-1ubuntu3.4USN-2892-1
nginx-lightUbuntu
Fixed in:1.4.6-1ubuntu3.4USN-2892-1
nginx-naxsiUbuntu
Fixed in:1.4.6-1ubuntu3.4USN-2892-1

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

8.63%probability of exploitation in 30 days
94thpercentile

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

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2019-0708Critical9.8100%KEV + Ransom-
CVE-2021-31166Critical9.8100%KEVFix
CVE-2015-5119Critical9.899%KEV-
CVE-2010-3962High8.197%KEV-
CVE-2015-0313Critical9.896%KEVFix
CVE-2017-9798High7.595%-Fix
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Markdown

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HTML

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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.