Serving WebSocket protocol upgrades over a HTTP/2 connection could result in a Null Pointer dereference, leading to a crash of the server process, degrading performance.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Red Hat Enterprise Linux 9 | RedHat | mod_http2-0:2.0.26-2.el9_4.1 | * |
| Apache2 | Ubuntu | devel | * |
| Apache2 | Ubuntu | focal | * |
| Apache2 | Ubuntu | jammy | * |
| Apache2 | Ubuntu | mantic | * |
| Apache2 | Ubuntu | noble | * |
| Apache2 | Ubuntu | oracular | * |
| Apache2 | Ubuntu | upstream | * |