Description
Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses.
This issue affects Apache HTTP Server: through 2.4.58.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | ≤ 2.4.58 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | apache2 | 2.4.59-1 | — |
| Debian 13 | apache2 | 2.4.59-1 | — |
| Debian 12 | apache2 | 2.4.59-1~deb12u1 | DSA-5662-1 |
| Debian 11 | apache2 | 2.4.59-1~deb11u1 | DSA-5662-1 |
| Debian 10 | apache2 | 2.4.59-1~deb10u1 | DLA-3818-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | apache2 | 2.4.58-1ubuntu8.1 | USN-6729-3 |
| Ubuntu 22.04 LTS | apache2 | 2.4.52-1ubuntu4.9 | USN-6729-1 |
| Ubuntu 20.04 LTS | apache2 | 2.4.41-4ubuntu3.17 | USN-6729-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | apache2 | 2.4.41-4ubuntu3.23+esm3 | USN-8338-1 |
| Ubuntu Pro 18.04 LTS | apache2 | 2.4.29-1ubuntu4.27+esm2 | USN-8338-1, USN-6729-2 |
| Ubuntu Pro 16.04 LTS | apache2 | 2.4.18-2ubuntu3.17+esm12 | USN-8338-1, USN-6729-2 |
| Ubuntu Pro 14.04 LTS | apache2 | 2.4.7-1ubuntu4.22+esm12 | USN-8338-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | httpd +8 | 2.4.62-1.el9 | RHSA-2024:9306 |
| RHEL 9 | mod_ssl +1 | 1:2.4.62-1.el9 | RHSA-2024:9306 |
| RHEL 8 | httpd +6 | 2.4.37-65.module+el8.10.0+21982+14717793 | RHSA-2024:4197 |
| RHEL 8 | mod_http2 | 1.15.7-10.module+el8.10.0+21653+eaff63f0 | RHSA-2024:4197 |
| RHEL 8 | mod_md | 1:2.0.8-8.module+el8.9.0+19080+567b90f8 | RHSA-2024:4197 |
| RHEL 8 | mod_ssl +1 | 1:2.4.37-65.module+el8.10.0+21982+14717793 | RHSA-2024:4197 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat JBoss Core Services 1 | jbcs-httpd24-httpd +6 | 2.4.57-15.el7jbcs | RHSA-2024:6927 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_jk +1 | 1.2.50-3.redhat_1.el7jbcs | RHSA-2024:6927 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_ssl +1 | 1:2.4.57-15.el7jbcs | RHSA-2024:6927 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 10 | httpd +8 | 2.4.63-13.el10_2.4 | ALSA-2026:34109 |
| AlmaLinux 10 | mod_ssl +1 | 1:2.4.63-13.el10_2.4 | ALSA-2026:34109 |
| AlmaLinux 9 | httpd +8 | 2.4.62-1.el9 | ALSA-2026:41906, ALSA-2024:9306 |
| AlmaLinux 9 | mod_ssl +1 | 1:2.4.62-1.el9 | ALSA-2026:41906, ALSA-2024:9306 |
| AlmaLinux 8 | httpd +6 | 2.4.37-65.module_el8.10.0+3860+a6e26e50 | ALSA-2026:42828, ALSA-2024:4197 |
| AlmaLinux 8 | mod_http2 | 1.15.7-10.module_el8.10.0+3832+564e7653 | ALSA-2026:42828, ALSA-2024:4197 |
| AlmaLinux 8 | mod_md | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa | ALSA-2026:42828, ALSA-2024:4197 |
| AlmaLinux 8 | mod_ssl +1 | 1:2.4.37-65.module_el8.10.0+3860+a6e26e50 | ALSA-2026:42828, ALSA-2024:4197 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | httpd | 2.4.62-1.el9 | RLSA-2024:9306 |
| Rocky Linux 8 | httpd | 2.4.37-65.module+el8.10.0+1830+22f0c9e0 | RLSA-2024:4197 |
| Rocky Linux 8 | mod_http2 | 1.15.7-10.module+el8.10.0+1775+6b057638 | RLSA-2024:4197 |
| Rocky Linux 8 | mod_md | 1:2.0.8-8.module+el8.9.0+1370+89cc8ad5 | RLSA-2024:4197 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP6 | apache2 | 2.4.51-150400.6.17.1 | SUSE-SU-2024:1963-1, SUSE-SU-2024:1868-1 |
| SLES 15 SP6 | apache2-devel +4 | 2.4.58-150600.5.3.1 | SUSE-SU-2024:1963-1 |
| SLES 15 SP5 | apache2 | 2.4.51-150400.6.17.1 | SUSE-SU-2026:2686-1, SUSE-SU-2024:1868-1 |
| SLES 15 SP4 | apache2 | 2.4.51-150400.6.17.1 | SUSE-SU-2026:2686-1, SUSE-SU-2024:1868-1 |
| SLES 15 SP3 | apache2 | 2.4.51-150200.3.62.1 | SUSE-SU-2024:1788-1 |
| SLES 15 SP2 | apache2 | 2.4.51-150200.3.62.1 | SUSE-SU-2024:1788-1 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP5 | apache2 +1 | 2.4.51-35.41.1 | SUSE-SU-2024:1627-1 |
| SLES for SAP 15 SP5 | apache2 | 2.4.66-150400.6.57.1 | SUSE-SU-2026:2686-1 |
| SLES for SAP 15 SP4 | apache2 | 2.4.51-150400.6.17.1 | SUSE-SU-2026:2686-1, SUSE-SU-2024:1868-1 |
| SLES for SAP 15 SP3 | apache2 | 2.4.51-150200.3.62.1 | SUSE-SU-2024:1788-1 |
| SLES for SAP 15 SP2 | apache2 | 2.4.51-150200.3.62.1 | SUSE-SU-2024:1788-1 |
| SLES for SAP 12 SP5 | apache2 +1 | 2.4.51-35.41.1 | SUSE-SU-2024:1627-1 |
| SLE HPC 15 SP5 | apache2 | 2.4.66-150400.6.57.1 | SUSE-SU-2026:2686-1 |
| SLE HPC 15 SP4 | apache2 | 2.4.51-150400.6.17.1 | SUSE-SU-2026:2686-1, SUSE-SU-2024:1868-1 |
| SLE HPC 15 SP3 | apache2 | 2.4.51-150200.3.62.1 | SUSE-SU-2024:1788-1 |
| SLE HPC 15 SP2 | apache2 | 2.4.51-150200.3.62.1 | SUSE-SU-2024:1788-1 |
| SUSE Manager Server 4.3 | apache2 | 2.4.51-150400.6.17.1 | SUSE-SU-2024:1868-1 |
| SUSE Manager Proxy 4.3 | apache2 | 2.4.51-150400.6.17.1 | SUSE-SU-2024:1868-1 |
| SUSE Enterprise Storage 7.1 | apache2 | 2.4.51-150200.3.62.1 | SUSE-SU-2024:1788-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.6 | apache2 +6 | 2.4.58-150600.5.3.1 | SUSE-SU-2024:1963-1 |
| openSUSE Leap 15.5 | apache2 | 2.4.51-150400.6.17.1 | SUSE-SU-2024:1868-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | apache2 | 2.4.59-r0 | — |
| Alpine v3.23 | apache2 | 2.4.59-r0 | — |
| Alpine v3.22 | apache2 | 2.4.59-r0 | — |
| Alpine v3.21 | apache2 | 2.4.59-r0 | — |
| Alpine v3.20 | apache2 | 2.4.59-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | apache2 | 2.4.59-r0 | — |
| Alpine v3.18 | apache2 | 2.4.59-r0 | — |
| Alpine v3.17 | apache2 | 2.4.59-r0 | — |
| Alpine v3.16 | apache2 | 2.4.59-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | httpd +8 | 2.4.59-2.amzn2023 | ALAS2023-2024-607 |
| Amazon Linux 2023 | mod_ssl +1 | 1:2.4.59-2.amzn2023 | ALAS2023-2024-607 |
| Amazon Linux 2 | httpd +7 | 2.4.59-1.amzn2 | ALAS2-2024-2532 |
| Amazon Linux 2 | mod_ssl +1 | 1:2.4.59-1.amzn2 | ALAS2-2024-2532 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | httpd | 2.4.61-1 | — |
| Azure Linux 2 (CBL-Mariner) | httpd | 2.4.59-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | httpd +8 | 2.4.62-1.0.1.el9 | ELSA-2024-9306 |
| Oracle Linux 9 | mod_ssl +1 | 1:2.4.62-1.0.1.el9 | ELSA-2024-9306 |
| Oracle Linux 8 | httpd +6 | 2.4.37-65.0.1.module+el8.10.0+90356+f7b9d583 | ELSA-2024-4197 |
| Oracle Linux 8 | mod_http2 | 1.15.7-10.module+el8.10.0+90327+96b8ea28 | ELSA-2024-4197 |
| Oracle Linux 8 | mod_md | 1:2.0.8-8.module+el8.9.0+90011+2f9c6a23 | ELSA-2024-4197 |
| Oracle Linux 8 | mod_ssl +1 | 1:2.4.37-65.0.1.module+el8.10.0+90356+f7b9d583 | ELSA-2024-4197 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
mrmtwoj/apache-vulnerability-testing ★ 136 · Oct 5, 2024
Apache HTTP Server Vulnerability Testing Tool | PoC for CVE-2024-38472 , CVE-2024-39573 , CVE-2024-38477 , CVE-2024-38476 , CVE-2024-38475 , CVE-2024-38474 , CVE-2024-38473 , CVE-2023-38709
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 35
- WID-SEC-2024-1504 Apache HTTP Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2026
- WID-SEC-2025-1529 Apache HTTP Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2026
- WID-SEC-2024-0801 Apache HTTP Server: Mehrere Schwachstellen ermöglichen Manipulation von Daten BSI CERT-Bund (WID) · Nov 11, 2026
- ALSA-2026:34109 Important: httpd security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:41906 Important: httpd security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:9306 Moderate: httpd security update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2026:42828 Important: httpd:2.4 security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2024:4197 Moderate: httpd:2.4/httpd security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2024:9306 Red Hat Security Advisory: httpd security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2024:6927 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.57 SP6 security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2024:4197 Red Hat Security Advisory: httpd:2.4/httpd security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- SUSE-SU-2026:2686-1 Security update for apache2 SUSE / openSUSE Security Updates · Jul 1, 2026
- USN-6729-2 apache2 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-8338-1 apache2 vulnerabilities Ubuntu Security Notices (USN) · May 29, 2026
- USN-6729-3 apache2 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-6729-1 apache2 vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5662-1 apache2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3818-1 apache2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2024:9306 Moderate: httpd security update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2024:4197 Moderate: httpd:2.4/httpd security update Rocky Linux Security Advisories · Feb 4, 2026
- SUSE-SU-2024:1788-1 Security update for apache2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1963-1 Security update for apache2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1868-1 Security update for apache2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2024:1627-1 Security update for apache2 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2024-1725 Apple macOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 11, 2026
- NCSC-2025-0027 Kwetsbaarheden verholpen in Oracle Fusion Middleware NCSC-NL (Netherlands) · Jan 22, 2025
- WID-SEC-2024-1248 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 21, 2024
- ELSA-2024-9306 Moderate: httpd security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 14, 2024
- NCSC-2024-0433 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Nov 12, 2024
- ICSA-24-319-04 Siemens SINEC NMS CISA ICS & IT advisories · Nov 12, 2024
- SSA-331112 SSA-331112: Multiple Vulnerabilities in SINEC NMS Before V3.0 SP1 Siemens ProductCERT · Nov 12, 2024
- NCSC-2024-0320 Kwetsbaarheden verholpen in Apple MacOS NCSC-NL (Netherlands) · Jul 30, 2024
- ELSA-2024-4197 Moderate: httpd:2.4/httpd security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Jul 1, 2024
- ALAS2023-2024-607 Moderate: httpd security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Apr 25, 2024
- ALAS2-2024-2532 Moderate: httpd security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Apr 24, 2024
References
- https://httpd.apache.org/security/vulnerabilities_24.html vendor-advisory
- https://security.netapp.com/advisory/ntap-20240415-0013/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WNV4SZAPVS43DZWNFU7XBYYOZEZMI4ZC/
- http://www.openwall.com/lists/oss-security/2024/04/04/3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/I2N2NZEX3MR64IWSGL3QGN7KSRUGAEMF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LX5U34KYGDYPRH3AJ6MDDCBJDWDPXNVJ/
- https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
- https://support.apple.com/kb/HT214119
- http://seclists.org/fulldisclosure/2024/Jul/18