{"id":"RLSA-2026:6923","summary":"Important: nginx:1.24 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\n* NGINX: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module (CVE-2026-27654)\n\n* NGINX: NGINX: Denial of Service due to memory corruption via crafted MP4 file (CVE-2026-27784)\n\n* NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled (CVE-2026-27651)\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":"2026-04-08T00:30:06.563669Z","published":"2026-04-08T00:03:56.927022Z","upstream":["CVE-2026-27651","CVE-2026-27654","CVE-2026-27784","CVE-2026-32647"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:6923"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2449598"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2450776"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2450785"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2450791"}],"affected":[{"package":{"name":"nginx","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/nginx?distro=rocky-linux-9&epoch=1"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.24.0-5.module+el9.7.0+40088+99dbd8cd.1.rocky.0.1"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:6923.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}