CVE-2024-38473

Publication date 1 July 2024

Last updated 2 June 2026

Ubuntu priority

Cvss 3 Severity Score

Description

Encoding problem in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows request URLs with incorrect encoding to be sent to backend services, potentially bypassing authentication via crafted requests. Users are recommended to upgrade to version 2.4.60, which fixes this issue.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
apache2	26.04 LTS resolute	Fixed 2.4.62-1ubuntu1
	25.10 questing	Fixed 2.4.62-1ubuntu1
	25.04 plucky	Fixed 2.4.62-1ubuntu1
	24.10 oracular	Fixed 2.4.62-1ubuntu1
	24.04 LTS noble	Fixed 2.4.58-1ubuntu8.2
	23.10 mantic	Fixed 2.4.57-2ubuntu2.5
	22.04 LTS jammy	Fixed 2.4.52-1ubuntu4.10
	20.04 LTS focal	Fixed 2.4.41-4ubuntu3.19
	18.04 LTS bionic	Fixed 2.4.29-1ubuntu4.27+esm7
	16.04 LTS xenial	Fixed 2.4.18-2ubuntu3.17+esm17
	14.04 LTS trusty	Not affected

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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=1918559 Upstream: https://svn.apache.org/viewvc?view=revision&revision=1918666 Upstream: https://svn.apache.org/viewvc?view=revision&revision=1918600 Upstream: https://svn.apache.org/viewvc?view=revision&revision=1918625 Upstream: https://svn.apache.org/viewvc?view=revision&revision=1918668 Upstream: b10cb2d Upstream: 6b8e043 Upstream: 93aec0e Upstream: cc00cf6 Upstream: 4326d6b

Package

Patch details

apache2

Upstream: https://svn.apache.org/viewvc?view=revision&revision=1918559
Upstream: https://svn.apache.org/viewvc?view=revision&revision=1918666
Upstream: https://svn.apache.org/viewvc?view=revision&revision=1918600
Upstream: https://svn.apache.org/viewvc?view=revision&revision=1918625
Upstream: https://svn.apache.org/viewvc?view=revision&revision=1918668
Upstream: b10cb2d
Upstream: 6b8e043
Upstream: 93aec0e
Upstream: cc00cf6
Upstream: 4326d6b

Severity score breakdown

Parameter	Value
Base score	8.1 · High
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVE-2024-38473

Cvss 3 Severity Score

Description

Status

Get expanded security coverage with Ubuntu Pro

Patch details

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references

Access our resources on patching vulnerabilities