CVE-2018-16843

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 code/issues, web search, more)
References	DSA-4335-1
NVD severity	high (attack range: remote)
Debian Bugs	913090

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
nginx (PTS)	jessie	1.6.2-5+deb8u5	fixed
	jessie (security)	1.6.2-5+deb8u6	fixed
	stretch (security), stretch	1.10.3-1+deb9u3	fixed
	buster, buster (security)	1.14.2-2+deb10u1	fixed
	bullseye, sid	1.16.1-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
nginx	source	(unstable)	1.14.1-1	high		913090
nginx	source	jessie	(not affected)
nginx	source	stretch	1.10.3-1+deb9u2	high	DSA-4335-1

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.