The HTTP strict parsing changes added in Apache httpd 2.2.32 and 2.4.24 introduced a bug in token list parsing, which allows ap_find_token() to search past the end of its input string. By maliciously crafting a sequence of request headers, an attacker may be able to cause a segmentation fault, or to force ap_find_token() to return an incorrect value.
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 |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade apache2 | Sep 20, 2017 | Jun 20, 2017 |
| Amazon_linux | — | Upgrade httpd24 | Aug 4, 2017 | Jun 20, 2017 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Jun 20, 2017 | Jun 20, 2017 |
| Apple Osx Apache | — | Apply OS X security update 2017-001 SierraApply OS X security update 2017-004 El Capitan | Nov 1, 2017 | Jun 19, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 20, 2017 |
| Centos_linux | — | Upgrade mod_proxy_htmlUpgrade httpd-debuginfoUpgrade httpd-develUpgrade httpdUpgrade httpd-toolsUpgrade mod_sslUpgrade mod_sessionUpgrade httpd-manualUpgrade mod_ldap | Aug 28, 2019 | Jun 20, 2017 |
| Debian | — | Upgrade apache2 | Jun 23, 2017 | Jun 20, 2017 |
| Freebsd | — | Upgrade apache22Upgrade apache24 | Jun 21, 2017 | Jun 20, 2017 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Oct 30, 2017 | Jun 19, 2017 |
| Hpux | — | Update hpuxwsAPACHE to the latest version | Mar 28, 2022 | Jun 20, 2017 |
| Huawei Euleros 2_0_sp1 | — | Upgrade httpd-toolsUpgrade httpdUpgrade httpd-develUpgrade httpd-manual | Nov 30, 2017 | Jun 19, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade httpd-toolsUpgrade httpd-manualUpgrade httpdUpgrade httpd-devel | Nov 30, 2017 | Jun 19, 2017 |
| Ibm Http_server | — | Apply IBM HTTP Server version 8.0.0.14 or laterApply IBM HTTP Server version 8.5.5.12 or laterApply IBM HTTP Server Interim Fix PI82263Apply IBM HTTP Server version 9.0.0.5 or later | Jun 22, 2018 | Jun 19, 2017 |
| Oracle Solaris | — | Upgrade web/server/apache-22 to version 2.2.34-0.175.3.23.0.4.0 on Solaris 11.3Upgrade web/server/apache-22/documentation to version 2.2.34-0.175.3.23.0.4.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-ssl to version 2.4.27-0.175.3.24.0.1.0 on Solaris 11.3Upgrade web/server/apache-24 to version 2.4.27-0.175.3.24.0.1.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-ldap to version 2.4.27-0.175.3.24.0.1.0 on Solaris 11.3Upgrade web/server/apache-22/module/apache-sed to version 2.2.34-0.175.3.23.0.4.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-ssl-fips-140 to version 2.4.27-0.175.3.24.0.1.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-lua to version 2.4.27-0.175.3.24.0.1.0 on Solaris 11.3Upgrade web/server/apache-24/module/apache-dbd to version 2.4.27-0.175.3.24.0.1.0 on Solaris 11.3 | Aug 21, 2017 | Jun 19, 2017 |
| Oracle_linux | — | Upgrade mod_ldapUpgrade mod_sessionUpgrade httpd-toolsUpgrade mod_proxy_htmlUpgrade httpd-manualUpgrade mod_sslUpgrade httpdUpgrade httpd-devel | Jul 12, 2017 | Jun 20, 2017 |
| Redhat_linux | — | Upgrade mod_sslUpgrade httpd-manualUpgrade httpdUpgrade mod_ldapUpgrade httpd-toolsUpgrade mod_sessionUpgrade httpd-debuginfoUpgrade httpd-develUpgrade mod_proxy_html | Aug 15, 2017 | Jun 20, 2017 |
| Suse | — | Upgrade apache2-docUpgrade apache2-utilsUpgrade apache2-preforkUpgrade apache2Upgrade apache2-develUpgrade apache2-example-pagesUpgrade apache2-worker | Oct 30, 2017 | Jun 20, 2017 |
| Ubuntu | — | Upgrade apache2.2-binUpgrade apache2-bin | Jun 27, 2017 | Jun 20, 2017 |
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