CVE-2021-39275
Fixed in a distro release EPSS 39%
ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.
Products: Apache Software Foundation Apache HTTP Server
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 8 | httpd | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma |
| AlmaLinux 8 | httpd-devel | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma |
| AlmaLinux 8 | httpd-filesystem | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma |
| AlmaLinux 8 | httpd-manual | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma |
| AlmaLinux 8 | httpd-tools | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma |
| AlmaLinux 8 | mod_ldap | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma |
| AlmaLinux 8 | mod_md | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa |
| AlmaLinux 8 | mod_proxy_html | 1:2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma |
| AlmaLinux 8 | mod_session | 2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma |
| AlmaLinux 8 | mod_ssl | 1:2.4.37-43.module_el8.5.0+2630+51c6d843.2.alma |
| Alpine 3.11 | apache2 | 2.4.49-r0 |
| Alpine 3.12 | apache2 | 2.4.49-r0 |
| Alpine 3.13 | apache2 | 2.4.49-r0 |
| Alpine 3.14 | apache2 | 2.4.49-r0 |
| Alpine 3.15 | apache2 | 2.4.49-r0 |
| Alpine 3.16 | apache2 | 2.4.49-r0 |
| Alpine 3.17 | apache2 | 2.4.49-r0 |
| Alpine 3.18 | apache2 | 2.4.49-r0 |
| Alpine 3.19 | apache2 | 2.4.49-r0 |
| Alpine 3.20 | apache2 | 2.4.49-r0 |
| Alpine 3.21 | apache2 | 2.4.49-r0 |
| Alpine 3.22 | apache2 | 2.4.49-r0 |
| Alpine 3.23 | apache2 | 2.4.49-r0 |
| Alpine 3.24 | apache2 | 2.4.49-r0 |
| Debian 10 | apache2 | 2.4.38-3+deb10u6 |
| Debian 11 | apache2 | 2.4.51-1~deb11u1 |
| Debian 12 | apache2 | 2.4.49-1 |
| Debian 13 | apache2 | 2.4.49-1 |
| Debian 14 | apache2 | 2.4.49-1 |
| Debian 9 | apache2 | 2.4.25-3+deb9u11 |
| Red Hat Enterprise Linux 7 | httpd | 0:2.4.6-97.el7_9.4 |
| Red Hat Enterprise Linux 7 | httpd-debuginfo | 0:2.4.6-97.el7_9.4 |
| Red Hat Enterprise Linux 7 | httpd-devel | 0:2.4.6-97.el7_9.4 |
| Red Hat Enterprise Linux 7 | httpd-manual | 0:2.4.6-97.el7_9.4 |
| Red Hat Enterprise Linux 7 | httpd-tools | 0:2.4.6-97.el7_9.4 |
| Red Hat Enterprise Linux 7 | mod_ldap | 0:2.4.6-97.el7_9.4 |
| Red Hat Enterprise Linux 7 | mod_proxy_html | 1:2.4.6-97.el7_9.4 |
| Red Hat Enterprise Linux 7 | mod_session | 0:2.4.6-97.el7_9.4 |
| Red Hat Enterprise Linux 7 | mod_ssl | 1:2.4.6-97.el7_9.4 |
| Red Hat Enterprise Linux 8 | httpd | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | httpd-debuginfo | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | httpd-debugsource | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | httpd-devel | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | httpd-filesystem | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | httpd-manual | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | httpd-tools | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | httpd-tools-debuginfo | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | mod_http2 | 0:1.15.7-3.module+el8.4.0+8625+d397f3da |
| Red Hat Enterprise Linux 8 | mod_http2-debuginfo | 0:1.15.7-3.module+el8.4.0+8625+d397f3da |
| Red Hat Enterprise Linux 8 | mod_http2-debugsource | 0:1.15.7-3.module+el8.4.0+8625+d397f3da |
| Red Hat Enterprise Linux 8 | mod_ldap | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | mod_ldap-debuginfo | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | mod_md | 1:2.0.8-8.module+el8.3.0+6814+67d1e611 |
| Red Hat Enterprise Linux 8 | mod_md-debuginfo | 1:2.0.8-8.module+el8.3.0+6814+67d1e611 |
| Red Hat Enterprise Linux 8 | mod_md-debugsource | 1:2.0.8-8.module+el8.3.0+6814+67d1e611 |
| Red Hat Enterprise Linux 8 | mod_proxy_html | 1:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | mod_proxy_html-debuginfo | 1:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | mod_session | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | mod_session-debuginfo | 0:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | mod_ssl | 1:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat Enterprise Linux 8 | mod_ssl-debuginfo | 1:2.4.37-43.module+el8.5.0+14370+51c6d843.2 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd | 0:2.4.51-28.el7jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-debuginfo | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-debuginfo | 0:2.4.51-28.el7jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-devel | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-devel | 0:2.4.51-28.el7jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-manual | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-manual | 0:2.4.51-28.el7jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-selinux | 0:2.4.51-28.el7jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-selinux | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-tools | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-tools | 0:2.4.51-28.el7jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-tools-debuginfo | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ldap | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ldap | 0:2.4.51-28.el7jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ldap-debuginfo | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_proxy_html | 1:2.4.51-28.el7jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_proxy_html | 1:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_proxy_html-debuginfo | 1:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_session | 0:2.4.51-28.el7jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_session | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_session-debuginfo | 0:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ssl | 1:2.4.51-28.el7jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ssl | 1:2.4.51-28.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ssl-debuginfo | 1:2.4.51-28.el8jbcs |
| Red Hat rhel software collections 3 | httpd24-httpd | 0:2.4.34-23.el7.5 |
| Red Hat rhel software collections 3 | httpd24-httpd-debuginfo | 0:2.4.34-23.el7.5 |
| Red Hat rhel software collections 3 | httpd24-httpd-devel | 0:2.4.34-23.el7.5 |
| Red Hat rhel software collections 3 | httpd24-httpd-manual | 0:2.4.34-23.el7.5 |
| Red Hat rhel software collections 3 | httpd24-httpd-tools | 0:2.4.34-23.el7.5 |
| Red Hat rhel software collections 3 | httpd24-mod_ldap | 0:2.4.34-23.el7.5 |
| Red Hat rhel software collections 3 | httpd24-mod_proxy_html | 1:2.4.34-23.el7.5 |
| Red Hat rhel software collections 3 | httpd24-mod_session | 0:2.4.34-23.el7.5 |
| Red Hat rhel software collections 3 | httpd24-mod_ssl | 1:2.4.34-23.el7.5 |
| Rocky Linux 8 | httpd | 0:2.4.37-43.module+el8.5.0+714+5ec56ee8 |
| Rocky Linux 8 | mod_http2 | 0:1.15.7-3.module+el8.4.0+553+7a69454b |
| Rocky Linux 8 | mod_http2 | 0:1.15.7-3.module+el8.5.0+695+1fa8055e |
| Rocky Linux 8 | mod_md | 1:2.0.8-8.module+el8.4.0+553+7a69454b |
| Rocky Linux 8 | mod_md | 1:2.0.8-8.module+el8.5.0+695+1fa8055e |
| SUSE Enterprise Storage 6 | apache2 | 2.4.33-3.55.1 |
| SUSE HPE Helion OpenStack 8 | apache2 | 2.4.23-29.80.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS | apache2 | 2.4.33-3.55.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS | apache2 | 2.4.33-3.55.1 |
| SUSE Linux Enterprise High Performance Computing 15-ESPOS | apache2 | 2.4.33-3.55.1 |
| SUSE Linux Enterprise High Performance Computing 15-LTSS | apache2 | 2.4.33-3.55.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | apache2 | 2.4.43-3.32.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | apache2 | 2.4.43-3.32.1 |
| SUSE Linux Enterprise Module for Package Hub 15 SP3 | apache2 | 2.4.43-3.32.1 |
| SUSE Linux Enterprise Module for Server Applications 15 SP2 | apache2 | 2.4.43-3.32.1 |
| SUSE Linux Enterprise Module for Server Applications 15 SP3 | apache2 | 2.4.43-3.32.1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | apache2 | 2.2.34-70.38.1 |
| SUSE Linux Enterprise Server 11 SP4-LTSS | apache2 | 2.2.34-70.38.1 |
| SUSE Linux Enterprise Server 12 SP2-BCL | apache2 | 2.4.23-29.80.1 |
| SUSE Linux Enterprise Server 12 SP3-BCL | apache2 | 2.4.23-29.80.1 |
| SUSE Linux Enterprise Server 12 SP3-LTSS | apache2 | 2.4.23-29.80.1 |
| SUSE Linux Enterprise Server 12 SP4-LTSS | apache2 | 2.4.23-29.80.1 |
| SUSE Linux Enterprise Server 12 SP5 | apache2 | 2.4.23-29.80.1 |
| SUSE Linux Enterprise Server 15 SP1-BCL | apache2 | 2.4.33-3.55.1 |
| SUSE Linux Enterprise Server 15 SP1-LTSS | apache2 | 2.4.33-3.55.1 |
| SUSE Linux Enterprise Server 15-LTSS | apache2 | 2.4.33-3.55.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | apache2 | 2.4.23-29.80.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | apache2 | 2.4.23-29.80.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | apache2 | 2.4.23-29.80.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 | apache2 | 2.4.33-3.55.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP1 | apache2 | 2.4.33-3.55.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | apache2 | 2.4.23-29.80.1 |
| SUSE OpenStack Cloud 8 | apache2 | 2.4.23-29.80.1 |
| SUSE OpenStack Cloud 9 | apache2 | 2.4.23-29.80.1 |
| SUSE OpenStack Cloud Crowbar 8 | apache2 | 2.4.23-29.80.1 |
| SUSE OpenStack Cloud Crowbar 9 | apache2 | 2.4.23-29.80.1 |
| Ubuntu 18.04 LTS | apache2 | 2.4.29-1ubuntu4.17 |
| Ubuntu 20.04 LTS | apache2 | 2.4.41-4ubuntu3.5 |
| Ubuntu Pro 14.04 LTS | apache2 | 2.4.7-1ubuntu4.22+esm2 |
| Ubuntu Pro 16.04 LTS | apache2 | 2.4.18-2ubuntu3.17+esm2 |
| openSUSE Leap 15.2 | apache2 | 2.4.43-lp152.2.21.1 |
| openSUSE Leap 15.3 | apache2 | 2.4.43-3.32.1 |