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.
[
{
"vendor": "Apache Software Foundation",
"product": "Apache HTTP Server",
"versions": [
{
"status": "affected",
"version": "2.4.55",
"versionType": "semver",
"lessThanOrEqual": "2.4.59"
}
],
"defaultStatus": "unaffected"
}
]