critical
CVE-2016-0746
nginx: use-after-free during CNAME response processing in resolver
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat5.1AV:N/AC:H/Au:N/C:P/I:P/A:P
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Red Hat (medium), Amazon (medium), Ubuntu (medium).
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.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| amazon linux 1 | nginx, nginx-debuginfo | 1:1.8.1-1.26.amzn1 |
| debian 11 | nginx | 1.9.10-1 |
| debian 12 | nginx | 1.9.10-1 |
| debian 13 | nginx | 1.9.10-1 |
| debian 14 | nginx | 1.9.10-1 |
| debian 7 | nginx | 1.2.1-2.2+wheezy4 |
| debian 8 | nginx | 1.6.2-5+deb8u1 |
| echo | nginx | 1.9.10-1 |
| root.io debian 12 | rootio-nginx | 1.9.10-1 |
| ubuntu 14.04 | nginx | 1.4.6-1ubuntu3.4 |
| ubuntu 14.04-ESM | nginx | 1.4.6-1ubuntu3.4 |
| ubuntu 15.10 | nginx | 1.9.3-1ubuntu1.1 |
Show all 17 entries from 16 sources
| Source | Package | Fixed in |
|---|---|---|
| amazon linux 1 | nginx | 1:1.8.1-1.26.amzn1 |
| amazon linux 1 | nginx-debuginfo | 1:1.8.1-1.26.amzn1 |
| debian 11 | nginx | 1.9.10-1 |
| debian 12 | nginx | 1.9.10-1 |
| debian 13 | nginx | 1.9.10-1 |
| debian 14 | nginx | 1.9.10-1 |
| debian 7 | nginx | 1.2.1-2.2+wheezy4 |
| debian 8 | nginx | 1.6.2-5+deb8u1 |
| echo | nginx | 1.9.10-1 |
| root.io debian 12 | rootio-nginx | 1.9.10-1 |
| ubuntu 14.04 | nginx | 1.4.6-1ubuntu3.4 |
| ubuntu 14.04-ESM | nginx | 1.4.6-1ubuntu3.4 |
| ubuntu 15.10 | nginx | 1.9.3-1ubuntu1.1 |
| ubuntu 16.04 | nginx | 1.9.10-0ubuntu1 |
| ubuntu 16.04-ESM | nginx | 1.9.10-0ubuntu1 |
| ubuntu 16.10 | nginx | 1.9.10-0ubuntu1 |
| ubuntu 17.04 | nginx | 1.9.10-0ubuntu1 |
References
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00042.html
- http://mailman.nginx.org/pipermail/nginx-announce/2016/000169.html
- http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html
- http://seclists.org/fulldisclosure/2021/Sep/36
- http://www.debian.org/security/2016/dsa-3473
- http://www.securitytracker.com/id/1034869
- http://www.ubuntu.com/usn/USN-2892-1
- https://access.redhat.com/errata/RHSA-2016:1425
All 16 references
- https://access.redhat.com/security/cve/CVE-2016-0746
- https://bto.bluecoat.com/security-advisory/sa115
- https://bugzilla.redhat.com/show_bug.cgi?id=1302588
- https://nvd.nist.gov/vuln/detail/CVE-2016-0746
- https://security.gentoo.org/glsa/201606-06
- https://support.apple.com/kb/HT212818
- https://ubuntu.com/security/notices/USN-2892-1
- https://www.cve.org/CVERecord?id=CVE-2016-0746