Rapid7

vulnerability

Red Hat OpenShift: CVE-2023-44487: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Oct 10, 2023
Added
Oct 19, 2023
Modified
Mar 30, 2026

Description

The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.

Solutions

linuxrpm-upgrade-cri-olinuxrpm-upgrade-microshiftlinuxrpm-upgrade-openshiftlinuxrpm-upgrade-openshift-clients

References

    Title
    Rapid7 Labs

    2026 Global Threat Landscape Report

    The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.