A specially crafted request could have crashed the Apache HTTP Server prior to version 2.4.30, due to an out of bound access after a size limit is reached by reading the HTTP header. This vulnerability is considered very hard if not impossible to trigger in non-debug mode (both log and build level), so it is classified as low risk for common server usage.
CVSS Details
- CVSS 3.1 Base Score: 5.9
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade apache2 | Apr 2, 2018 | Mar 26, 2018 |
| Amazon_linux | — | Upgrade httpd24 | May 4, 2018 | Mar 23, 2018 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Mar 26, 2018 | Mar 26, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Mar 26, 2018 |
| Centos_linux | — | Upgrade mod_proxy_htmlUpgrade httpd-develUpgrade httpdUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd-debuginfoUpgrade httpd-manualUpgrade mod_sessionUpgrade mod_ldap | Apr 1, 2020 | Mar 26, 2018 |
| Debian | — | Upgrade apache2 | Apr 4, 2018 | Mar 23, 2018 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Apr 11, 2018 |
| Freebsd | — | Upgrade apache22Upgrade apache24 | Mar 25, 2018 | Mar 24, 2018 |
| Hpux | — | Update hpuxwsAPACHE to the latest version | Mar 28, 2022 | Mar 26, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade httpd-manualUpgrade httpd-toolsUpgrade httpd-develUpgrade mod_sslUpgrade httpd | Dec 4, 2019 | Mar 26, 2018 |
| Huawei Euleros 2_0_sp3 | — | Upgrade mod_sslUpgrade httpd-develUpgrade httpd-toolsUpgrade httpdUpgrade httpd-manual | Dec 18, 2019 | Mar 26, 2018 |
| Huawei Euleros 2_0_sp5 | — | Upgrade mod_sessionUpgrade httpd-develUpgrade httpdUpgrade mod_sslUpgrade httpd-manualUpgrade httpd-tools | Nov 19, 2019 | Mar 26, 2018 |
| Ibm Http_server | — | Apply IBM HTTP Server Interim Fix PI95670 | Jun 22, 2018 | Mar 26, 2018 |
| Oracle Solaris | — | Upgrade web/server/apache-24/module/apache-ssl-fips-140 to version 2.4.33-0.175.3.32.0.3.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-lua to version 2.4.33-0.175.3.32.0.3.0 on Solaris 11.3Upgrade web/server/apache-24 to version 2.4.33-0.175.3.32.0.3.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-ssl to version 2.4.33-0.175.3.32.0.3.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-ldap to version 2.4.33-0.175.3.32.0.3.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-dbd to version 2.4.33-0.175.3.32.0.3.0 on Solaris 11.3 | May 16, 2018 | Mar 26, 2018 |
| Oracle_linux | — | Upgrade mod_ldapUpgrade httpd-toolsUpgrade mod_proxy_htmlUpgrade httpd-manualUpgrade mod_sslUpgrade mod_sessionUpgrade httpdUpgrade httpd-devel | Oct 5, 2022 | Mar 21, 2018 |
| Redhat_linux | — | No solution existsUpgrade mod_proxy_htmlUpgrade httpd-manualUpgrade mod_ldapUpgrade httpd-toolsUpgrade mod_sslUpgrade mod_sessionUpgrade httpd-develUpgrade httpdUpgrade httpd-debuginfo | Apr 1, 2020 | Mar 26, 2018 |
| Suse | — | Upgrade apache2Upgrade apache2-develUpgrade apache2-example-pagesUpgrade apache2-preforkUpgrade apache2-docUpgrade apache2-workerUpgrade apache2-utils | Apr 6, 2018 | Mar 23, 2018 |
| Ubuntu | — | Upgrade apache2.2-binUpgrade apache2-bin | Apr 25, 2018 | Mar 23, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Mar 26, 2018 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub