Vulnerability · Published Jul 1, 2024 · Assigned by apache
CVE-2024-38477Apache HTTP Server: Crash resulting in Denial of Service in mod_proxy via a malicious request
High 7.5
In plain English
A high-severity null pointer dereference in Apache HTTP Server from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.2% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)3.2%top 12.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
null pointer dereference in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows an attacker to crash the server via a malicious request. Users are recommended to upgrade to version 2.4.60, which fixes this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | httpd | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | httpd | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:9 | httpd-core | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | httpd-devel | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | httpd-devel | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | httpd-filesystem | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | httpd-filesystem | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | httpd-manual | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | httpd-manual | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | httpd-tools | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | httpd-tools | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | mod_http2 | 1.15.7-10.module_el8.10.0+3832+564e7653 | ALSA-2024:4720 |
| AlmaLinux:8 | mod_ldap | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | mod_ldap | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:9 | mod_lua | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | mod_md | 1:2.0.8-8.module_el8.6.0+3031+fb177b09 | ALSA-2024:4720 |
| AlmaLinux:8 | mod_md | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa | ALSA-2024:4720 |
| AlmaLinux:8 | mod_proxy_html | 1:2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | mod_proxy_html | 1:2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | mod_session | 2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | mod_session | 2.4.57-11.el9_4 | ALSA-2024:4726 |
| AlmaLinux:8 | mod_ssl | 1:2.4.37-65.module_el8.10.0+3872+9b8ab21e.1 | ALSA-2024:4720 |
| AlmaLinux:9 | mod_ssl | 1:2.4.57-11.el9_4 | ALSA-2024:4726 |
| Alpine:v3.20 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-38477 |
| Alpine:v3.21 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-38477 |
| Alpine:v3.22 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-38477 |
| Alpine:v3.23 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-38477 |
| Alpine:v3.24 | apache2 | 2.4.60-r0 | ALPINE-CVE-2024-38477 |
| Debian:12 | apache2 | 2.4.61-1~deb12u1 | DEBIAN-CVE-2024-38477 |
| Debian:12 | apache2 | 2.4.61-1~deb12u1 | DSA-5729-1 |
| Debian:13 | apache2 | 2.4.60-1 | DEBIAN-CVE-2024-38477 |
| Debian:14 | apache2 | 2.4.60-1 | DEBIAN-CVE-2024-38477 |
| Rocky Linux:8 | httpd | 0:2.4.37-65.module+el8.10.0+1842+4a9649e8.2 | RLSA-2024:4720 |
| Rocky Linux:8 | httpd | 0:2.4.37-65.module+el8.10.0+1840+b070a976.1 | RLSA-2024:4720 |
| Rocky Linux:8 | httpd | 0:2.4.37-65.module+el8.10.0+1938+3b7755d4.3 | RLSA-2024:4720 |
| Rocky Linux:8 | httpd | 0:2.4.37-65.module+el8.10.0+1830+22f0c9e0 | RLSA-2024:4720 |
| Rocky Linux:9 | httpd | 0:2.4.57-11.el9_4 | RLSA-2024:4726 |
| Rocky Linux:8 | mod_http2 | 0:1.15.7-10.module+el8.10.0+1883+38ed6c58.1 | RLSA-2024:4720 |
| Rocky Linux:8 | mod_http2 | 0:1.15.7-10.module+el8.10.0+1830+22f0c9e0 | RLSA-2024:4720 |
| Rocky Linux:8 | mod_http2 | 0:1.15.7-10.module+el8.10.0+1775+6b057638 | RLSA-2024:4720 |
| Rocky Linux:8 | mod_http2 | 0:1.15.7-10.module+el8.10.0+1938+3b7755d4.3 | RLSA-2024:4720 |
| Rocky Linux:8 | mod_md | 1:2.0.8-8.module+el8.9.0+1370+89cc8ad5 | RLSA-2024:4720 |
| Ubuntu:22.04:LTS | apache2 | 2.4.52-1ubuntu4.10 | USN-6885-1 |
| Ubuntu:22.04:LTS | apache2 | 2.4.52-1ubuntu4.10 | UBUNTU-CVE-2024-38477 |
| Ubuntu:24.04:LTS | apache2 | 2.4.58-1ubuntu8.2 | UBUNTU-CVE-2024-38477 |
| Ubuntu:24.04:LTS | apache2 | 2.4.58-1ubuntu8.2 | USN-6885-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache HTTP Server | 2.4.0 – through 2.4.59 |
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H