| Name | CVE-2016-0747 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3473-1 |
| Debian Bugs | 812806 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| nginx (PTS) | bullseye | 1.18.0-6.1+deb11u3 | fixed |
| bullseye (security) | 1.18.0-6.1+deb11u4 | fixed |
| bookworm | 1.22.1-9+deb12u1 | fixed |
| sid, trixie | 1.26.3-2 | fixed |
The information below is based on the following data on fixed versions.
Notes
[squeeze] - nginx <not-affected> (Vulnerable code not present)
http://mailman.nginx.org/pipermail/nginx/2016-January/049700.html
https://github.com/nginx/nginx/commit/4016e6b1da4fbf9c45963211791be124cd7ffb8f (release-1.9.10)
https://github.com/nginx/nginx/commit/fe89d99796d42b86816e17d9c87ab16964768024 (release-1.9.10)