CVE-2016-4975

Possible CRLF injection allowing HTTP response splitting attacks for sites which use mod_userdir. This issue was mitigated by changes made in 2.4.25 and 2.2.32 which prohibit CR or LF injection into the "Location" or other outbound header key or value. Fixed in Apache HTTP Server 2.4.25 (Affected 2.4.1-2.4.23). Fixed in Apache HTTP Server 2.2.32 (Affected 2.2.0-2.2.31).
CRLF Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
apacheCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 99%
VendorProductVersion
apachehttp_server
2.2.0
apachehttp_server
2.2.2
apachehttp_server
2.2.3
apachehttp_server
2.2.4
apachehttp_server
2.2.6
apachehttp_server
2.2.8
apachehttp_server
2.2.9
apachehttp_server
2.2.10
apachehttp_server
2.2.11
apachehttp_server
2.2.12
apachehttp_server
2.2.13
apachehttp_server
2.2.14
apachehttp_server
2.2.15
apachehttp_server
2.2.16
apachehttp_server
2.2.17
apachehttp_server
2.2.18
apachehttp_server
2.2.19
apachehttp_server
2.2.20
apachehttp_server
2.2.21
apachehttp_server
2.2.22
apachehttp_server
2.2.23
apachehttp_server
2.2.24
apachehttp_server
2.2.25
apachehttp_server
2.2.26
apachehttp_server
2.2.27
apachehttp_server
2.2.29
apachehttp_server
2.2.31
apachehttp_server
2.4.1
apachehttp_server
2.4.2
apachehttp_server
2.4.3
apachehttp_server
2.4.4
apachehttp_server
2.4.6
apachehttp_server
2.4.7
apachehttp_server
2.4.9
apachehttp_server
2.4.10
apachehttp_server
2.4.12
apachehttp_server
2.4.16
apachehttp_server
2.4.17
apachehttp_server
2.4.18
apachehttp_server
2.4.20
apachehttp_server
2.4.23
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
apache2
bullseye
2.4.62-1~deb11u1
fixed
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
disco
not-affected
cosmic
not-affected
bionic
not-affected
xenial
Fixed 2.4.18-2ubuntu3.2
released
trusty
Fixed 2.4.7-1ubuntu4.15
released
References