Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade mod_mdUpgrade mod_http2 | May 4, 2022 | Jun 10, 2021 |
| Alpine Linux | — | Upgrade apache2 | Mar 26, 2024 | Jun 10, 2021 |
| Amazon Linux Ami 2 | — | Upgrade httpd-debuginfoUpgrade httpd-develUpgrade mod_sessionUpgrade httpdUpgrade mod_proxy_htmlUpgrade httpd-manualUpgrade httpd-toolsUpgrade httpd-filesystemUpgrade mod_sslUpgrade mod_mdUpgrade mod_ldap | Jun 24, 2021 | Jun 10, 2021 |
| Amazon_linux | — | Upgrade httpd24 | Jul 13, 2021 | Jun 10, 2021 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Dec 22, 2021 | Jun 10, 2021 |
| Centos_linux | — | Upgrade httpd-develUpgrade mod_mdUpgrade mod_ldap-debuginfoUpgrade mod_proxy_htmlUpgrade mod_md-debugsourceUpgrade mod_session-debuginfoUpgrade mod_http2-debuginfoUpgrade mod_http2Upgrade httpd-filesystemUpgrade mod_ssl-debuginfoUpgrade mod_ldapUpgrade httpd-debuginfoUpgrade mod_sslUpgrade httpdUpgrade mod_md-debuginfoUpgrade httpd-toolsUpgrade mod_http2-debugsourceUpgrade mod_sessionUpgrade httpd-tools-debuginfoUpgrade httpd-manualUpgrade mod_proxy_html-debuginfoUpgrade httpd-debugsource | Nov 10, 2021 | Jun 10, 2021 |
| Check Point Gaia | — | Upgrade to supported version Check Point Gaia. | Feb 25, 2026 | Oct 27, 2021 |
| Debian | — | Upgrade apache2 | Jul 12, 2021 | Jun 10, 2021 |
| Freebsd | — | Upgrade apache24 | Nov 4, 2022 | Jun 10, 2021 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Jul 19, 2021 | Jun 10, 2021 |
| Huawei Euleros 2_0_sp2 | — | Upgrade mod_sslUpgrade httpd-develUpgrade httpd-manualUpgrade httpdUpgrade httpd-tools | Sep 16, 2021 | Jun 10, 2021 |
| Huawei Euleros 2_0_sp3 | — | Upgrade httpdUpgrade httpd-develUpgrade httpd-toolsUpgrade mod_sslUpgrade httpd-manual | Oct 26, 2021 | Jun 10, 2021 |
| Huawei Euleros 2_0_sp5 | — | Upgrade httpd-manualUpgrade mod_sslUpgrade httpdUpgrade httpd-develUpgrade mod_sessionUpgrade httpd-tools | Sep 7, 2021 | Jun 10, 2021 |
| Huawei Euleros 2_0_sp8 | — | Upgrade mod_sessionUpgrade mod_sslUpgrade httpd-toolsUpgrade httpdUpgrade httpd-manualUpgrade httpd-filesystemUpgrade httpd-devel | Aug 10, 2021 | Jun 10, 2021 |
| Huawei Euleros 2_0_sp9 | — | Upgrade httpd-toolsUpgrade httpd-filesystemUpgrade httpdUpgrade mod_ssl | Sep 29, 2021 | Jun 10, 2021 |
| Ibm Http_server | — | Apply IBM HTTP Server Interim Fix PH06010 | Jul 2, 2021 | Jun 10, 2021 |
| Oracle Solaris | — | Upgrade web/server/apache-24/module/apache-lua to version 2.4.48-11.4.35.0.1.94.3 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ldap to version 2.4.48-11.4.35.0.1.94.3 on Solaris 11.4Upgrade web/server/apache-24/module/apache-gss to version 2.4.48-11.4.35.0.1.94.3 on Solaris 11.4Upgrade web/server/apache-24/module/apache-dbd to version 2.4.48-11.4.35.0.1.94.3 on Solaris 11.4Upgrade web/server/apache-24 to version 2.4.48-11.4.35.0.1.94.3 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ssl to version 2.4.48-11.4.35.0.1.94.3 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ssl-fips-140 to version 2.4.48-11.4.35.0.1.94.3 on Solaris 11.4 | Oct 12, 2021 | Jun 10, 2021 |
| Oracle_linux | — | Upgrade mod_proxy_htmlUpgrade httpd-manualUpgrade mod_ldapUpgrade mod_http2Upgrade httpd-toolsUpgrade mod_sessionUpgrade mod_mdUpgrade httpd-develUpgrade httpd-filesystemUpgrade mod_sslUpgrade httpd | Nov 4, 2021 | Jun 4, 2021 |
| Redhat_linux | — | Upgrade httpd-debugsourceUpgrade mod_mdUpgrade mod_session-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_http2-debugsourceUpgrade mod_http2-debuginfoUpgrade mod_md-debuginfoUpgrade mod_sessionUpgrade httpd-manualUpgrade mod_ldap-debuginfoUpgrade mod_ldapUpgrade httpd-debuginfoUpgrade mod_http2Upgrade httpd-filesystemUpgrade mod_sslUpgrade httpdUpgrade mod_md-debugsourceUpgrade httpd-tools-debuginfoUpgrade mod_ssl-debuginfoUpgrade mod_proxy_htmlNo solution existsUpgrade httpd-develUpgrade httpd-tools | Nov 10, 2021 | Jun 10, 2021 |
| Rocky_linux | — | Upgrade mod_ssl-debuginfoUpgrade mod_http2-debuginfoUpgrade mod_ldap-debuginfoUpgrade httpdUpgrade mod_md-debugsourceUpgrade httpd-toolsUpgrade mod_proxy_htmlUpgrade httpd-develUpgrade mod_mdUpgrade mod_proxy_html-debuginfoUpgrade mod_http2-debugsourceUpgrade mod_ldapUpgrade httpd-debugsourceUpgrade mod_sessionUpgrade mod_session-debuginfoUpgrade mod_sslUpgrade httpd-tools-debuginfoUpgrade httpd-debuginfoUpgrade mod_md-debuginfoUpgrade mod_http2 | Mar 12, 2024 | Jun 10, 2021 |
| Suse | — | Upgrade apache2-docUpgrade apache2-utilsUpgrade apache2-eventUpgrade apache2-preforkUpgrade apache2Upgrade apache2-workerUpgrade apache2-example-pagesUpgrade apache2-devel | Jun 18, 2021 | Jun 10, 2021 |
| Ubuntu | — | Upgrade apache2Upgrade apache2-bin (Ubuntu Pro)Upgrade apache2-binUpgrade apache2 (Ubuntu Pro) | Jun 21, 2021 | Jun 10, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jun 10, 2021 |
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