CVE-2024-24795

Publication date 4 April 2024

Last updated 2 June 2026

Ubuntu priority

Cvss 3 Severity Score

Description

HTTP Response splitting in multiple modules in Apache HTTP Server allows an attacker that can inject malicious response headers into backend applications to cause an HTTP desynchronization attack. Users are recommended to upgrade to version 2.4.59, which fixes this issue.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
apache2	26.04 LTS resolute	Fixed 2.4.58-1ubuntu8.1
	25.10 questing	Fixed 2.4.58-1ubuntu8.1
	25.04 plucky	Fixed 2.4.58-1ubuntu8.1
	24.10 oracular	Fixed 2.4.58-1ubuntu8.1
	24.04 LTS noble	Fixed 2.4.58-1ubuntu8.1
	23.10 mantic	Fixed 2.4.57-2ubuntu2.4
	22.04 LTS jammy	Fixed 2.4.52-1ubuntu4.9
	20.04 LTS focal	Fixed 2.4.41-4ubuntu3.17
	18.04 LTS bionic	Fixed 2.4.29-1ubuntu4.27+esm2
	16.04 LTS xenial	Fixed 2.4.18-2ubuntu3.17+esm12
	14.04 LTS trusty	Fixed 2.4.7-1ubuntu4.22+esm12

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Notes

leosilva

after this update reports were made that fossil package stopped to work properly (LP: #2064509).

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
apache2	Upstream: https://svn.apache.org/viewvc?view=revision&revision=1916769 Upstream: a29723c

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.3 · Medium

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	Low
Integrity impact	Low
Availability impact	Low

Scores

Parameter	Value
Base score	6.3 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

References

Related Ubuntu Security Notices (USN)

USN-6729-1
Apache HTTP Server vulnerabilities
11 April 2024

USN-6729-2
Apache HTTP Server vulnerabilities
17 April 2024

USN-6729-3
Apache HTTP Server vulnerabilities
29 April 2024

USN-8338-1
Apache HTTP Server vulnerabilities
28 May 2026