Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-0742

The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 allows remote attackers to cause a denial of service (invalid pointer dereference and worker process crash) via a crafted UDP DNS response.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 6 products from f5, from canonical, from debian and 3 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-02-15T19:59:00.107

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	f5	nginx	< 1.8.1	Yes
Application	f5	nginx	< 1.9.10	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	15.10	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	opensuse	leap	42.1	Yes
Application	apple	xcode	< 13.0	Yes
Application	redhat	software_collections	1.0	Yes

References

http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html Mailing List, Third Party Advisory ([email protected])
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html Vendor Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/Sep/36 Mailing List, Third Party Advisory ([email protected])
http://www.debian.org/security/2016/dsa-3473 Third Party Advisory ([email protected])
http://www.securitytracker.com/id/1034869 Third Party Advisory, VDB Entry ([email protected])
http://www.ubuntu.com/usn/USN-2892-1 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2016:1425 Third Party Advisory ([email protected])
https://bto.bluecoat.com/security-advisory/sa115 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1302587 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/201606-06 Third Party Advisory ([email protected])
https://support.apple.com/kb/HT212818 Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2021/Sep/36 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2016/dsa-3473 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1034869 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.ubuntu.com/usn/USN-2892-1 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2016:1425 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bto.bluecoat.com/security-advisory/sa115 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1302587 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201606-06 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212818 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For f5's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.