All vulnerabilities

Servers and applications

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.

Severity
High 7.5
Published
7 Nov 2018
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.14.1, 1.15.6
Sources
NVD

Affected software

SoftwareAffected versions
nginxServers and applications · cpe:a:f5:nginx
  • From 1.9.5 before 1.14.1
  • From 1.15.0 before 1.15.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-16844
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-16844