Red Hat Security Advisory: nginx security update

CVE-2026-27651 — NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled CVE-2026-27654 — NGINX: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module CVE-2026-27784 — NGINX: NGINX: Denial of Service due to memory corruption via crafted MP4 file CVE-2026-32647 — nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files