{"id":"ALSA-2026:28973","summary":"Important: nginx security update","details":"nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.   \n\nSecurity Fix(es):  \n\n  * nginx: ngx_http_rewrite_module: code execution and denial of service (CVE-2026-9256)\n\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","modified":"2026-06-25T14:45:03.941458678Z","published":"2026-06-24T00:00:00Z","related":["CVE-2026-9256"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:28973"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-9256"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2480746"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-28973.html"}],"affected":[{"package":{"name":"nginx","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nginx"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.1-28.el9_8.3.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28973.json"}},{"package":{"name":"nginx-all-modules","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nginx-all-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.1-28.el9_8.3.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28973.json"}},{"package":{"name":"nginx-core","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nginx-core"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.1-28.el9_8.3.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28973.json"}},{"package":{"name":"nginx-filesystem","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nginx-filesystem"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.1-28.el9_8.3.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28973.json"}},{"package":{"name":"nginx-mod-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nginx-mod-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.1-28.el9_8.3.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28973.json"}},{"package":{"name":"nginx-mod-http-image-filter","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nginx-mod-http-image-filter"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.1-28.el9_8.3.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28973.json"}},{"package":{"name":"nginx-mod-http-perl","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nginx-mod-http-perl"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.1-28.el9_8.3.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28973.json"}},{"package":{"name":"nginx-mod-http-xslt-filter","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nginx-mod-http-xslt-filter"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.1-28.el9_8.3.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28973.json"}},{"package":{"name":"nginx-mod-mail","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nginx-mod-mail"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.1-28.el9_8.3.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28973.json"}},{"package":{"name":"nginx-mod-stream","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/nginx-mod-stream"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.20.1-28.el9_8.3.alma.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:28973.json"}}],"schema_version":"1.7.5"}