CVE-2018-11763
MEDIUM5.9EPSS 22.4%Published: 9/25/2018Modified: 4/28/2026
Description
In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This affects only HTTP/2 connections. A possible mitigation is to not enable the h2 protocol.
Affected packages (2)
- Alpine/apache2from 0, < 2.4.35-r0
- Debian/apache2from 0, < 2.4.35-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |