All vulnerabilities

Servers and applications

CVE-2017-9789

When under stress, closing many connections, the HTTP/2 handling code in Apache httpd 2.4.26 would sometimes access memory after it has been freed, resulting in potentially erratic behaviour.

Severity
High 7.5
Published
13 Jul 2017
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
Apache HTTP ServerServers and applications · cpe:a:apache:http_server
  • Version 2.4.26

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-9789
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-9789