Apache HTTP Server: DoS by Null pointer in websocket over HTTP/2
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.4epss 1.7%
exploitation probability
1.7%top 25% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Affected products
Apache Software Foundation · Apache HTTP Server