| Name | CVE-2018-16843 |
| Description | nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DSA-4335-1 |
| Debian Bugs | 913090 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| nginx (PTS) | buster | 1.14.2-2+deb10u4 | fixed |
| buster (security) | 1.14.2-2+deb10u5 | fixed |
| bullseye | 1.18.0-6.1+deb11u2 | fixed |
| bullseye (security) | 1.18.0-6.1+deb11u3 | fixed |
| bookworm, sid | 1.22.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| nginx | source | jessie | (not affected) | | | |
| nginx | source | stretch | 1.10.3-1+deb9u2 | | DSA-4335-1 | |
| nginx | source | (unstable) | 1.14.1-1 | | | 913090 |
Notes
[jessie] - nginx <not-affected> (HTTP 2.0 support added later)
http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html
http://hg.nginx.org/nginx/rev/d4448892a294
Fixed in 1.15.6, 1.14.1.