{"id":"ALSA-2021:1809","summary":"Moderate: httpd:2.4 security, bug fix, and enhancement update","details":"The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server.\n\nSecurity Fix(es):\n\n* httpd: mod_session_cookie does not respect expiry time (CVE-2018-17199)\n\n* httpd: mod_proxy_uwsgi buffer overflow (CVE-2020-11984)\n\n* httpd: mod_http2 concurrent pool usage (CVE-2020-11993)\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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","modified":"2026-02-04T03:14:51.808371Z","published":"2021-05-18T06:08:34Z","related":["CVE-2018-17199","CVE-2020-11984","CVE-2020-11993"],"references":[{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2021-1809.html"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2018-17199"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2020-11984"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2020-11993"}],"affected":[{"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-2021:1809.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-2021:1809.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-2021:1809.json"}}],"schema_version":"1.7.3"}