CVE-2016-0747

MEDIUM

nginx <1.8.1, <1.9.10 - DoS

Title source: llm

Description

The resolver in nginx before 1.8.1 and 1.9.x before 1.9.10 does not properly limit CNAME resolution, which allows remote attackers to cause a denial of service (worker process resource consumption) via vectors related to arbitrary name resolution.

References (11)

[Mailing List, Third Party Advisory] http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html

[Vendor Advisory] http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html

[Mailing List, Third Party Advisory] http://seclists.org/fulldisclosure/2021/Sep/36

[Third Party Advisory] http://www.debian.org/security/2016/dsa-3473

[Third Party Advisory, VDB Entry] http://www.securitytracker.com/id/1034869

[Third Party Advisory] http://www.ubuntu.com/usn/USN-2892-1

[Third Party Advisory] https://access.redhat.com/errata/RHSA-2016:1425

[Third Party Advisory] https://bto.bluecoat.com/security-advisory/sa115

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=1302589

[Third Party Advisory] https://security.gentoo.org/glsa/201606-06

[Third Party Advisory] https://support.apple.com/kb/HT212818

Scores

CVSS v3 5.3

EPSS 0.3318

EPSS Percentile 96.8%

Attack Vector NETWORK

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

Classification

CWE

CWE-400

Status draft

Affected Products (8)

f5/nginx < 1.8.1

canonical/ubuntu_linux

debian/debian_linux

opensuse/leap

apple/xcode < 13.0

Timeline

Published Feb 15, 2016

Tracked Since Feb 18, 2026