CVE-2024-43204 — Apache HTTP Server: SSRF with mod_headers setting Content-Type header

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Apache Software Foundation / Apache HTTP Server	affected 2.4.0 through 2.4.63

CWE

CWE-918

References

https://httpd.apache.org/security/vulnerabilities_24.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.

https://lists.debian.org/debian-lts-announce/2025/08/msg00009.html
http://www.openwall.com/lists/oss-security/2025/07/10/2
http://www.openwall.com/lists/oss-security/2025/07/10/4