CVE-2018-16844

nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. 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.

Score

CVSS 3.1 7.5 High

Status

Modified - secalert@redhat.com

Published

2018-11-07

Last modified

2024-08-05

Weaknesses

CWE-400

Affected products

• Xcode (Apple)
• Ubuntu Linux (Canonical)
• Debian Linux (Debian)
• Nginx (F5)
• Nginx (Unknown)

References

• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00035.html
• http://mailman.nginx.org/pipermail/nginx-announce/2018/000220.html
• http://seclists.org/fulldisclosure/2021/Sep/36
• http://www.securityfocus.com/bid/105868
• http://www.securitytracker.com/id/1042038
• https://access.redhat.com/errata/RHSA-2018:3680
• https://access.redhat.com/errata/RHSA-2018:3681
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16844
• https://support.apple.com/kb/HT212818
• https://usn.ubuntu.com/3812-1/
• https://www.debian.org/security/2018/dsa-4335