Description
In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0) may cause a denial of service due to no default limit on possible input size.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | unspecified – ≤ 2.4.53 | — |
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 | 2.4.54-1 | — |
| Debian 13 | apache2 | 2.4.54-1 | — |
| Debian 12 | apache2 | 2.4.54-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | apache2 | 2.4.52-1ubuntu4.1 | USN-5487-1 |
| Ubuntu 20.04 LTS | apache2 | 2.4.41-4ubuntu3.12 | USN-5487-1 |
| Ubuntu 18.04 LTS | apache2 | 2.4.29-1ubuntu4.24 | USN-5487-3, USN-5487-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | apache2 | 2.4.18-2ubuntu3.17+esm6 | USN-5487-3, USN-5487-1 |
| Ubuntu Pro 14.04 LTS | apache2 | 2.4.7-1ubuntu4.22+esm6 | USN-5487-3, USN-5487-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | httpd +8 | 2.4.53-7.el9 | RHSA-2022:8067 |
| RHEL 9 | mod_ssl +1 | 1:2.4.53-7.el9 | RHSA-2022:8067 |
| RHEL 8 | httpd +6 | 2.4.37-51.module+el8.7.0+16050+02173b8e | RHSA-2022:7647 |
| RHEL 8 | mod_http2 | 1.15.7-5.module+el8.6.0+13996+01710940 | RHSA-2022:7647 |
| RHEL 8 | mod_md | 1:2.0.8-8.module+el8.3.0+6814+67d1e611 | RHSA-2022:7647 |
| RHEL 8 | mod_ssl +1 | 1:2.4.37-51.module+el8.7.0+16050+02173b8e | RHSA-2022:7647 |
| RHEL 3 | httpd24-httpd +5 | 2.4.34-23.el7.5 | RHSA-2022:6753 |
| RHEL 3 | httpd24-mod_ssl +1 | 1:2.4.34-23.el7.5 | RHSA-2022:6753 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | httpd +8 | 2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux 9 | mod_ssl +1 | 1:2.4.53-7.el9 | ALSA-2022:8067 |
| AlmaLinux 8 | httpd +6 | 2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
| AlmaLinux 8 | mod_http2 | 1.15.7-5.module_el8.6.0+2872+fe0ff7aa | ALSA-2022:7647 |
| AlmaLinux 8 | mod_md | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa | ALSA-2022:7647 |
| AlmaLinux 8 | mod_ssl +1 | 1:2.4.37-51.module_el8.7.0+3281+01e58653 | ALSA-2022:7647 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | httpd | 2.4.53-7.el9 | RLSA-2022:8067 |
| Rocky Linux 8 | httpd | 2.4.37-51.module+el8.7.0+1059+126e9251 | RLSA-2022:7647 |
| Rocky Linux 8 | mod_http2 | 1.15.7-5.module+el8.6.0+823+f143cee1 | RLSA-2022:7647 |
| Rocky Linux 8 | mod_md | 1:2.0.8-8.module+el8.4.0+553+7a69454b | RLSA-2022:7647 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | apache2 | 2.4.66-150400.6.57.1 | SUSE-SU-2026:2686-1 |
| SLES 15 SP4 | apache2 | 2.4.51-150400.6.3.1 | SUSE-SU-2026:2686-1, SUSE-SU-2022:2302-1 |
| SLES 15 SP3 | apache2 | 2.4.51-150200.3.48.1 | SUSE-SU-2022:2342-1 |
| SLES 15 SP2 | apache2 | 2.4.51-150200.3.48.1 | SUSE-SU-2022:2342-1 |
| SLES 15 SP1 | apache2 | 2.4.33-150000.3.69.1 | SUSE-SU-2022:2338-1 |
Show 28 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | apache2 | 2.4.33-150000.3.69.1 | SUSE-SU-2022:2338-1 |
| SLES 12 SP5 | apache2 | 2.4.51-35.19.1 | SUSE-SU-2022:2101-1 |
| SLES 12 SP4 | apache2 | 2.4.23-29.91.1 | SUSE-SU-2022:2099-1 |
| SLES 12 SP3 | apache2 | 2.4.23-29.91.1 | SUSE-SU-2022:2099-1 |
| SLES 12 SP2 | apache2 | 2.4.23-29.91.1 | SUSE-SU-2022:2099-1 |
| SLES for SAP 15 SP5 | apache2 | 2.4.66-150400.6.57.1 | SUSE-SU-2026:2686-1 |
| SLES for SAP 15 SP4 | apache2 | 2.4.66-150400.6.57.1 | SUSE-SU-2026:2686-1 |
| SLES for SAP 15 SP2 | apache2 | 2.4.51-150200.3.48.1 | SUSE-SU-2022:2342-1 |
| SLES for SAP 15 SP1 | apache2 | 2.4.33-150000.3.69.1 | SUSE-SU-2022:2338-1 |
| SLES for SAP 15 | apache2 | 2.4.33-150000.3.69.1 | SUSE-SU-2022:2338-1 |
| SLES for SAP 12 SP5 | apache2 | 2.4.51-35.19.1 | SUSE-SU-2022:2101-1 |
| SLES for SAP 12 SP4 | apache2 | 2.4.23-29.91.1 | SUSE-SU-2022:2099-1 |
| SLES for SAP 12 SP3 | apache2 | 2.4.23-29.91.1 | SUSE-SU-2022:2099-1 |
| SLE HPC 15 SP5 | apache2 | 2.4.66-150400.6.57.1 | SUSE-SU-2026:2686-1 |
| SLE HPC 15 SP4 | apache2 | 2.4.66-150400.6.57.1 | SUSE-SU-2026:2686-1 |
| SLE HPC 15 SP2 | apache2 | 2.4.51-150200.3.48.1 | SUSE-SU-2022:2342-1 |
| SLE HPC 15 SP1 | apache2 | 2.4.33-150000.3.69.1 | SUSE-SU-2022:2338-1 |
| SLE HPC 15 | apache2 | 2.4.33-150000.3.69.1 | SUSE-SU-2022:2338-1 |
| SUSE OpenStack Cloud Crowbar 9 | apache2 | 2.4.23-29.91.1 | SUSE-SU-2022:2099-1 |
| SUSE OpenStack Cloud Crowbar 8 | apache2 | 2.4.23-29.91.1 | SUSE-SU-2022:2099-1 |
| SUSE OpenStack Cloud 9 | apache2 | 2.4.23-29.91.1 | SUSE-SU-2022:2099-1 |
| SUSE OpenStack Cloud 8 | apache2 | 2.4.23-29.91.1 | SUSE-SU-2022:2099-1 |
| SUSE Manager Server 4.1 | apache2 | 2.4.51-150200.3.48.1 | SUSE-SU-2022:2342-1 |
| SUSE Manager Retail Branch Server 4.1 | apache2 | 2.4.51-150200.3.48.1 | SUSE-SU-2022:2342-1 |
| SUSE Manager Proxy 4.1 | apache2 | 2.4.51-150200.3.48.1 | SUSE-SU-2022:2342-1 |
| SUSE HPE Helion OpenStack 8 | apache2 | 2.4.23-29.91.1 | SUSE-SU-2022:2099-1 |
| SUSE Enterprise Storage 7 | apache2 | 2.4.51-150200.3.48.1 | SUSE-SU-2022:2342-1 |
| SUSE Enterprise Storage 6 | apache2 | 2.4.33-150000.3.69.1 | SUSE-SU-2022:2338-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | apache2 | 2.4.54-1.1 | openSUSE-SU-2024:12142-1 |
| openSUSE Leap 15.4 | apache2 | 2.4.51-150400.6.3.1 | SUSE-SU-2022:2302-1 |
| openSUSE Leap 15.3 | apache2 | 2.4.51-150200.3.48.1 | SUSE-SU-2022:2342-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | apache2 | 2.4.54-r0 | — |
| Alpine v3.23 | apache2 | 2.4.54-r0 | — |
| Alpine v3.22 | apache2 | 2.4.54-r0 | — |
| Alpine v3.21 | apache2 | 2.4.54-r0 | — |
| Alpine v3.20 | apache2 | 2.4.54-r0 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | apache2 | 2.4.54-r0 | — |
| Alpine v3.18 | apache2 | 2.4.54-r0 | — |
| Alpine v3.17 | apache2 | 2.4.54-r0 | — |
| Alpine v3.16 | apache2 | 2.4.54-r0 | — |
| Alpine v3.15 | apache2 | 2.4.54-r0 | — |
| Alpine v3.14 | apache2 | 2.4.54-r0 | — |
| Alpine v3.13 | apache2 | 2.4.54-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | httpd +8 | 2.4.54-3.amzn2023.0.4 | ALAS2023-2023-072 |
| Amazon Linux 2023 | mod_ssl +1 | 1:2.4.54-3.amzn2023.0.4 | ALAS2023-2023-072 |
| Amazon Linux 2 | httpd +7 | 2.4.54-1.amzn2 | ALAS2-2022-1812 |
| Amazon Linux 2 | mod_ssl +1 | 1:2.4.54-1.amzn2 | ALAS2-2022-1812 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | httpd +8 | 2.4.53-7.0.1.el9 | ELSA-2022-8067 |
| Oracle Linux 9 | mod_ssl +1 | 1:2.4.53-7.0.1.el9 | ELSA-2022-8067 |
| Oracle Linux 8 | httpd +6 | 2.4.37-51.0.1.module+el8.7.0+20778+02173b8e | ELSA-2022-7647 |
| Oracle Linux 8 | mod_http2 | 1.15.7-5.module+el8.6.0+20548+01710940 | ELSA-2022-7647 |
| Oracle Linux 8 | mod_md | 1:2.0.8-8.module+el8.5.0+20475+4f6a8fd5 | ELSA-2022-7647 |
| Oracle Linux 8 | mod_ssl +1 | 1:2.4.37-51.0.1.module+el8.7.0+20778+02173b8e | ELSA-2022-7647 |
Advisories 23
- ALSA-2022:8067 Moderate: httpd security, bug fix, and enhancement update AlmaLinux Security Advisories · Oct 29, 2026
- ALSA-2022:7647 Moderate: httpd:2.4 security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2022:8067 Red Hat Security Advisory: httpd security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2022:7647 Red Hat Security Advisory: httpd:2.4 security update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- RHSA-2022:6753 Red Hat Security Advisory: httpd24-httpd security and bug fix update Red Hat Security Advisories (RHSA) · Oct 9, 2026
- SUSE-SU-2026:2686-1 Security update for apache2 SUSE / openSUSE Security Updates · Jul 1, 2026
- WID-SEC-2022-0192 Apache HTTP Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 30, 2026
- USN-5487-3 apache2 regression Ubuntu Security Notices (USN) · Jun 29, 2026
- USN-5487-1 apache2 vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- RLSA-2022:8067 Moderate: httpd security, bug fix, and enhancement update Rocky Linux Security Advisories · Feb 5, 2026
- RLSA-2022:7647 Moderate: httpd:2.4 security update Rocky Linux Security Advisories · Feb 5, 2026
- SUSE-SU-2022:2342-1 Security update for apache2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2101-1 Security update for apache2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2099-1 Security update for apache2 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2302-1 Security update for apache2 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12142-1 apache2-2.4.54-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2338-1 Security update for apache2 SUSE / openSUSE Security Updates · May 2, 2025
- ICSA-25-133-01 Hitachi Energy Service Suite CISA ICS & IT advisories · Feb 25, 2025
- WID-SEC-2024-1591 Juniper JUNOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 11, 2024
- ALAS2023-2023-072 Important: httpd security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 22, 2023
- ELSA-2022-8067 Moderate: httpd security, bug fix, and enhancement update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Nov 22, 2022
- ELSA-2022-7647 Moderate: httpd:2.4 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Nov 15, 2022
- ALAS2-2022-1812 Moderate: httpd security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jul 14, 2022
References
- https://httpd.apache.org/security/vulnerabilities_24.html
- [oss-security] 20220608 CVE-2022-29404: Apache HTTP Server: Denial of service in mod_lua r:parsebody mailing-list
- https://security.netapp.com/advisory/ntap-20220624-0005/
- FEDORA-2022-e620fb15d5 vendor-advisory
- FEDORA-2022-b54a8dee29 vendor-advisory
- GLSA-202208-20 vendor-advisory