CVE-2024-42516

Publication date 10 July 2025

Last updated 20 August 2025


Ubuntu priority

Cvss 3 Severity Score

7.5 · High

Score breakdown

HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP response. This vulnerability was described as CVE-2023-38709 but the patch included in Apache HTTP Server 2.4.59 did not address the issue. Users are recommended to upgrade to version 2.4.64, which fixes this issue.

Status

Package Ubuntu Release Status
apache2 25.04 plucky
Fixed 2.4.63-1ubuntu1.1
24.04 LTS noble
Fixed 2.4.58-1ubuntu8.7
22.04 LTS jammy
Fixed 2.4.52-1ubuntu4.15
20.04 LTS focal
Fixed 2.4.41-4ubuntu3.23+esm2
18.04 LTS bionic
Fixed 2.4.29-1ubuntu4.27+esm6
16.04 LTS xenial
Fixed 2.4.18-2ubuntu3.17+esm16
14.04 LTS trusty
Needs evaluation

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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

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

    • USN-7639-1
    • Apache HTTP Server vulnerabilities
    • 16 July 2025
    • USN-7639-2
    • Apache HTTP Server vulnerabilities
    • 19 August 2025

Other references