{"id":"ALSA-2026:6906","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: NGINX: Denial of Service or Code Execution via specially crafted MP4 files (CVE-2026-32647)\n  * NGINX: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module (CVE-2026-27654)\n  * NGINX: NGINX: Denial of Service due to memory corruption via crafted MP4 file (CVE-2026-27784)\n  * NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled (CVE-2026-27651)\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":"2026-05-26T16:45:10.334937630Z","published":"2026-04-07T00:00:00Z","related":["CVE-2026-27651","CVE-2026-27654","CVE-2026-27784","CVE-2026-32647"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:6906"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-27651"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-27654"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-27784"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-32647"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2449598"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2450776"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2450785"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2450791"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-6906.html"}],"affected":[{"package":{"name":"nginx-all-modules","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/nginx-all-modules"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.26.3-2.el10_1.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:6906.json"}},{"package":{"name":"nginx-filesystem","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/nginx-filesystem"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2:1.26.3-2.el10_1.1"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:6906.json"}}],"schema_version":"1.7.5"}