Apache HTTP Server: HTTP Response Splitting in multiple modules
Priority LOW 33CWE-113Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Partial Red Hat: 4 fixed, 7 without a fix
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.
Summary
HTTP Response splitting in multiple modules in Apache HTTP Server allows an attacker that can inject malicious response headers into backend applications to cause an HTTP desynchronization attack. Users are recommended to upgrade to version 2.4.59, which fixes this issue.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02874 86th percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 4 fixed, 7 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 – 2.4.58 | — | No fix listed | CNA |
- Apache HTTP Server VendorApache Affected 2.4.0 – 2.4.58 Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* | 2.4.0 to before 2.4.59 | Vulnerable | Apache |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* | 39 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* | 40 | Vulnerable | Fedoraproject |
| cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:* | 9 | Vulnerable | NetApp |
| cpe:2.3:a:netapp:ontap_tools:10:*:*:*:*:vmware_vsphere:*:* | 10 | Vulnerable | NetApp |
| cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Broadcom |
| cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* | before 14.6 | Vulnerable | Apple |
- cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 2.4.0 to before 2.4.59 Vulnerable ·Apache
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:* Versions 39 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:* Versions 40 Vulnerable ·Fedoraproject
- cpe:2.3:a:netapp:ontap:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·NetApp
- cpe:2.3:a:netapp:ontap_tools:10:*:*:*:*:vmware_vsphere:*:* Versions 10 Vulnerable ·NetApp
- cpe:2.3:o:broadcom:fabric_operating_system:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Broadcom
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 14.6 Vulnerable ·Apple
Remediation
Red Hat 3 advisories
- RHSA-2025:3452 Released 2025-04-02 · Red Hat rating LowRed Hat JBoss Core Services Apache HTTP Server 2.4.62 security update
- Red Hat JBoss Core Services on RHEL 7 Server jbcs-httpd24-httpd-2.4.62-5.el7jbcs, jbcs-httpd24-httpd-devel-2.4.62-5.el7jbcs, jbcs-httpd24-httpd-manual-2.4.62-5.el7jbcs +12
- Red Hat JBoss Core Services on RHEL 8 jbcs-httpd24-httpd-2.4.62-5.el8jbcs, jbcs-httpd24-httpd-devel-2.4.62-5.el8jbcs, jbcs-httpd24-httpd-manual-2.4.62-5.el8jbcs +7
- RHSA-2025:3453 Released 2025-04-02 · Red Hat rating ImportantRed Hat JBoss Core Services Apache HTTP Server 2.4.62 security update
- Red Hat JBoss Core Services 2.4.62
- RHSA-2024:9306 Released 2024-11-12 · Red Hat rating Moderatehttpd security update
- Red Hat Enterprise Linux AppStream (v. 9) httpd-2.4.62-1.el9, httpd-core-2.4.62-1.el9, httpd-devel-2.4.62-1.el9 +8
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| OpenShift Pipelines | Affected | No fix yet |
| 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 planned: Will not fix |
| Red Hat JBoss Enterprise Application Platform 6 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift GitOps | Affected | No fix yet: Fix deferred |
| Red Hat Software Collections | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:9306 |
| Red Hat JBoss Core Services 2.4.62 | Fixed | RHSA-2025:3453 |
| Red Hat JBoss Core Services on RHEL 7 Server | Fixed | RHSA-2025:3452 |
| Red Hat JBoss Core Services on RHEL 8 | Fixed | RHSA-2025:3452 |
Not affected: 7 products
- Red Hat Enterprise Linux 10
- Red Hat JBoss Core Services on RHEL 7 Server
- Red Hat JBoss Core Services on RHEL 8
- Red Hat OpenStack Platform 16.1
- Red Hat OpenStack Platform 16.2
- Red Hat OpenStack Platform 17.1
- Red Hat OpenStack Platform 18.0
Timeline
- 2026-10-02 Threatist record created from CVE-2024-24795
- 2026-10-03 Alias added: GHSA-c4ch-cv96-r58v
- 2026-10-09 Fix available: RHSA-2025:3453 · Red Hat
- 2026-10-21 Fix available: Red Hat JBoss Core Services 2.4.62 · Red Hat
References
Advisory 8
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
- https://lists.debian.org/debian-lts-announce/2024/05/msg00014.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/I2N2NZEX3MR64IWSGL3QGN7KSRUGAEMF/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/LX5U34KYGDYPRH3AJ6MDDCBJDWDPXNVJ/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/WNV4SZAPVS43DZWNFU7XBYYOZEZMI4ZC/
- https://security.netapp.com/advisory/ntap-20240415-0013/
- https://support.apple.com/kb/HT214119
More Apache Http Server vulnerabilities
- 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
Sources
- CVE-2024-24795 · CVE Program
- CVE-2024-24795 · NVD
- FIRST EPSS
- GHSA-c4ch-cv96-r58v · GitHub Advisory Database · CC BY 4.0
- CVE-2024-24795 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences