CVE-2020-11996Published

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on conc…

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2020-11996

Published

Apache Tomcat

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Apache Tomcat",
                    "vendor": "Apache",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "10.0.0-M1 to 10.0.0-M5"
                        },
                        {
                            "status": "affected",
                            "version": "9.0.0.M1 to 9.0.35"
                        },
                        {
                            "status": "affected",
                            "version": "8.5.0 to 8.5.55"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON