{"id":"ALSA-2021:4537","summary":"Important: httpd:2.4 security update","details":"The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es):\n\n* httpd: Regression of CVE-2021-40438 and CVE-2021-26691 fixes in AlmaLinux (CVE-2021-20325)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.","modified":"2026-02-04T03:32:24.119685Z","published":"2021-11-09T19:25:44Z","related":["CVE-2021-20325","CVE-2021-26691","CVE-2021-40438"],"references":[{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2021-4537.html"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2021-20325"}],"affected":[{"package":{"name":"httpd","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/httpd"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.37-43.module_el8.5.0+2597+c4b14997.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"httpd-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/httpd-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.37-43.module_el8.5.0+2597+c4b14997.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"httpd-filesystem","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/httpd-filesystem"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.37-43.module_el8.5.0+2597+c4b14997.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"httpd-manual","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/httpd-manual"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.37-43.module_el8.5.0+2597+c4b14997.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"httpd-tools","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/httpd-tools"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.37-43.module_el8.5.0+2597+c4b14997.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"mod_http2","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/mod_http2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.15.7-3.module_el8.5.0+2609+b30d9eec"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"mod_ldap","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/mod_ldap"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.37-43.module_el8.5.0+2597+c4b14997.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"mod_md","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/mod_md"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.8-8.module_el8.5.0+2609+b30d9eec"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"mod_md","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/mod_md"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"mod_proxy_html","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/mod_proxy_html"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.4.37-43.module_el8.5.0+2597+c4b14997.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"mod_session","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/mod_session"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.37-43.module_el8.5.0+2597+c4b14997.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}},{"package":{"name":"mod_ssl","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/mod_ssl"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:2.4.37-43.module_el8.5.0+2597+c4b14997.alma"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:4537.json"}}],"schema_version":"1.7.3"}