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Vulnerability record · CVE-2016-0747 · published 15 February 2016

CVE-2016-0747: F5 nginx uncontrolled resource consumption vulnerability

F5 · Nginx

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.

5.3 CVSS 3.1 Medium EPSS 8.7% · top 5.1% CWE-400 · Uncontrolled resource consumption
5.3CVSS 3.1 base score, v2 5.0
8.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
5Affected product versions listed by NVD
22References
17 Jun 2026Last modified by NVD

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.

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

Affected products

5 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html Mailing ListThird Party Advisory
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html Vendor Advisory
http://seclists.org/fulldisclosure/2021/Sep/36 Mailing ListThird Party Advisory
http://www.debian.org/security/2016/dsa-3473 Third Party Advisory
http://www.securitytracker.com/id/1034869 Third Party AdvisoryVDB Entry
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 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1302589 Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/201606-06 Third Party Advisory
https://support.apple.com/kb/HT212818 Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html Mailing ListThird Party Advisory
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html Vendor Advisory
http://seclists.org/fulldisclosure/2021/Sep/36 Mailing ListThird Party Advisory
http://www.debian.org/security/2016/dsa-3473 Third Party Advisory
http://www.securitytracker.com/id/1034869 Third Party AdvisoryVDB Entry
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 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1302589 Issue TrackingPatchThird Party Advisory
https://security.gentoo.org/glsa/201606-06 Third Party Advisory
https://support.apple.com/kb/HT212818 Third Party Advisory

Track CVE-2016-0747 inside VULONE

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Source: NIST National Vulnerability Database (record CVE-2016-0747), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.