CVE-2016-4975

Publication date 14 August 2018

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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).

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
apache2	19.04 disco	Not affected
	18.10 cosmic	Not affected
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Fixed 2.4.18-2ubuntu3.2
	14.04 LTS trusty	Fixed 2.4.7-1ubuntu4.15

Notes

mdeslaur

fixed by CVE-2016-8743 commits

Severity score breakdown

Parameter	Value
Base score	6.1 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	Low
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N