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Oracle Linux 9 nginx Important ELSA-2026-7343 Denial of Service Fix

oracle
Calendar Grey April 13, 2026
Oracle Linux Logo Esm H88
Security advisory for Oracle Linux 9 addressing nginx issues and important updates. Fix denial of service threats.
The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

Summary

[2:1.26.3-2.0.1.1] - Require oracle-indexhtml [2:1.26.3-6] - Resolves: RHEL-157887 - CVE-2026-32647 nginx:1.26/nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files [2:1.26.3-5] - Resolves: RHEL-159446 - CVE-2026-27651 nginx:1.26/nginx: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled [2:1.26.3-4] - Resolves: RHEL-159538 - CVE-2026-27784 nginx:1.26/nginx: NGINX: Denial of Service due to memory corruption via crafted MP4 file [2:1.26.3-3] - Resolves: RHEL-159559 - CVE-2026-27654 nginx:1.26/nginx: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module [2:1.26.3-2] - nginx: NGINX: Data injection via man-in-the-middle attack on TLS proxied connections (CVE-2026-1642) [2:1.26.3-1] - New version 1.26.3 [2:1.26.2-4] - Use systemd-sysusers [2:1.26.2-3] - Fix PKCS-11 support [2:1.26.2-2] - Adjust QE files

Topics%20covered

Topics Covered

security advisory denial of service threat important nginx Oracle

SRPMs

http://oss.oracle.com/ol9/SRPMS-updates/nginx-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.src.rpm

x86_64

nginx-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.x86_64.rpm nginx-all-modules-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.noarch.rpm nginx-core-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.x86_64.rpm nginx-filesystem-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.noarch.rpm nginx-mod-devel-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.x86_64.rpm nginx-mod-http-image-filter-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.x86_64.rpm nginx-mod-http-perl-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.x86_64.rpm nginx-mod-http-xslt-filter-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.x86_64.rpm nginx-mod-mail-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.x86_64.rpm nginx-mod-stream-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.x86_64.rpm

aarch64

nginx-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.aarch64.rpm nginx-all-modules-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.noarch.rpm nginx-core-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.aarch64.rpm nginx-filesystem-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.noarch.rpm nginx-mod-devel-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.aarch64.rpm nginx-mod-http-image-filter-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.aarch64.rpm nginx-mod-http-perl-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.aarch64.rpm nginx-mod-http-xslt-filter-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.aarch64.rpm nginx-mod-mail-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.aarch64.rpm nginx-mod-stream-1.26.3-2.0.1.module+el9.7.0+90870+e191ebad.1.aarch64.rpm

Severity
important
Lowest
Low
Medium
High
Critical

Related CVEs: CVE-2026-27651 CVE-2026-27654 CVE-2026-27784 CVE-2026-32647

Topics%20covered

Topics Covered

security advisory denial of service threat important nginx Oracle

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