TI-2024-28859 Aliases CVE-2024-43204 GHSA-q2wp-r77c-3cw8

Apache HTTP Server: SSRF with mod_headers setting Content-Type header

MEDIUM 41CWE-918Published 2025-07-10 · Updated 2025-11-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: Partial Red Hat: 2 fixed, 5 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00909 60th percentileScored 2026-11-07

Fix Partial Red Hat: 2 advisoriesRed Hat: 2 fixed, 5 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Apache	Apache HTTP Server	2.4.0 – 2.4.63	—	No fix listed	CNA

Apache HTTP Server VendorApache Affected 2.4.0 – 2.4.63 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:apache:http_server::::::::	2.4.0 to before 2.4.64	Vulnerable	Apache

cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 2.4.0 to before 2.4.64 Vulnerable ·Apache

Remediation

Red Hat 2 advisories

RHSA-2026:56868 Released 2026-08-19 · Red Hat rating Important
Red Hat JBoss Core Services Apache HTTP Server 2.4.62 SP5 security update
- Red Hat JBoss Core Services on RHEL 8 jbcs-httpd24-httpd-2.4.62-16.el8jbcs, jbcs-httpd24-httpd-devel-2.4.62-16.el8jbcs, jbcs-httpd24-httpd-manual-2.4.62-16.el8jbcs +7
RHSA-2026:56869 Released 2026-08-19 · Red Hat rating Important
Red Hat JBoss Core Services Apache HTTP Server 2.4.62 SP5 security update
- Red Hat JBoss Core Services 2.4.62.SP5

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Product	Status	Plan or fix
Red Hat Enterprise Linux 10	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 6	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 7	Affected	No fix planned: Out of support scope
Red Hat Enterprise Linux 8	Affected	No fix yet: Fix deferred
Red Hat Enterprise Linux 9	Affected	No fix yet: Fix deferred
Red Hat JBoss Core Services 2.4.62.SP5	Fixed	RHSA-2026:56869
Red Hat JBoss Core Services on RHEL 8	Fixed	RHSA-2026:56868

Not affected: 1 product

Red Hat JBoss Core Services on RHEL 8

Timeline

2026-10-02 Threatist record created from CVE-2024-43204
2026-10-03 Alias added: GHSA-q2wp-r77c-3cw8
2026-10-09 Fix available: RHSA-2026:56869 · Red Hat
2026-10-16 Fix available: Red Hat JBoss Core Services 2.4.62.SP5 · Red Hat

References

Advisory 1

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

TI-2021-18535 Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) KEVCVSS 3.1CRITICAL 9.8
TI-2021-18417 Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49 KEVCVSS 3.1CRITICAL 9.8
TI-2024-25716 Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path. KEVCVSS 3.1CRITICAL 9.1
TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
TI-2019-00184 Use after free in Apache HTTP Server KEVCVSS 3.1HIGH 7.8
TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8

See all 349 →

Sources

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