CVE-2018-11763

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
apacheCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 95%
VendorProductVersion
apachehttp_server
2.4.17 ≤
𝑥
≤ 2.4.34
canonicalubuntu_linux
18.04
redhatenterprise_linux
6.0
redhatenterprise_linux
7.0
redhatenterprise_linux
7.4
redhatenterprise_linux
7.5
redhatenterprise_linux
7.6
oracleenterprise_manager_ops_center
12.3.3
oraclehospitality_guest_access
4.2.0
oraclehospitality_guest_access
4.2.1
oracleinstantis_enterprisetrack
17.1
oracleinstantis_enterprisetrack
17.2
oracleinstantis_enterprisetrack
17.3
oracleretail_xstore_point_of_service
7.0
oracleretail_xstore_point_of_service
7.1
oraclesecure_global_desktop
5.4
netappstorage_automation_store
-
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
apache2
bullseye
2.4.62-1~deb11u1
fixed
jessie
not-affected
bullseye (security)
2.4.62-1~deb11u2
fixed
bookworm
2.4.62-1~deb12u1
fixed
bookworm (security)
2.4.62-1~deb12u2
fixed
sid
2.4.62-3
fixed
trixie
2.4.62-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
apache2
bionic
Fixed 2.4.29-1ubuntu4.4
released
xenial
not-affected
trusty
not-affected
References