CVE-2024-43204

Publication date 10 July 2025

Last updated 20 August 2025


Ubuntu priority

Cvss 3 Severity Score

7.5 · High

Score breakdown

SSRF in Apache HTTP Server with mod_proxy loaded allows an attacker to send outbound proxy requests to a URL controlled by the attacker.  Requires an unlikely configuration where mod_headers is configured to modify the Content-Type request or response header with a value provided in the HTTP request. 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