[El-errata] ELSA-2026-19374 Critical: Oracle Linux 9 nginx security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-19374

http://linux.oracle.com/errata/ELSA-2026-19374.html

The following updated rpms for Oracle Linux 9 have been uploaded to the Unbreakable Linux Network:

x86_64:
nginx-1.20.1-28.0.1.el9_8.2.x86_64.rpm
nginx-all-modules-1.20.1-28.0.1.el9_8.2.noarch.rpm
nginx-core-1.20.1-28.0.1.el9_8.2.x86_64.rpm
nginx-filesystem-1.20.1-28.0.1.el9_8.2.noarch.rpm
nginx-mod-devel-1.20.1-28.0.1.el9_8.2.x86_64.rpm
nginx-mod-http-image-filter-1.20.1-28.0.1.el9_8.2.x86_64.rpm
nginx-mod-http-perl-1.20.1-28.0.1.el9_8.2.x86_64.rpm
nginx-mod-http-xslt-filter-1.20.1-28.0.1.el9_8.2.x86_64.rpm
nginx-mod-mail-1.20.1-28.0.1.el9_8.2.x86_64.rpm
nginx-mod-stream-1.20.1-28.0.1.el9_8.2.x86_64.rpm

aarch64:
nginx-1.20.1-28.0.1.el9_8.2.aarch64.rpm
nginx-all-modules-1.20.1-28.0.1.el9_8.2.noarch.rpm
nginx-core-1.20.1-28.0.1.el9_8.2.aarch64.rpm
nginx-filesystem-1.20.1-28.0.1.el9_8.2.noarch.rpm
nginx-mod-devel-1.20.1-28.0.1.el9_8.2.aarch64.rpm
nginx-mod-http-image-filter-1.20.1-28.0.1.el9_8.2.aarch64.rpm
nginx-mod-http-perl-1.20.1-28.0.1.el9_8.2.aarch64.rpm
nginx-mod-http-xslt-filter-1.20.1-28.0.1.el9_8.2.aarch64.rpm
nginx-mod-mail-1.20.1-28.0.1.el9_8.2.aarch64.rpm
nginx-mod-stream-1.20.1-28.0.1.el9_8.2.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/nginx-1.20.1-28.0.1.el9_8.2.src.rpm

Related CVEs:

CVE-2026-42945




Description of changes:

[1.20.1-28.0.1.el9_8.2]
- Reference oracle-indexhtml within Requires [Orabug: 33802044]
- Remove Red Hat references [Orabug: 29498217]
- Update upstream references [Orabug: 36579090]

[2:1.20.1-28.2]
- Resolves: RHEL-176232 - nginx: NGINX: Arbitrary Code Execution
  Vulnerability (CVE-2026-42945)

[2:1.20.1-28.1]
- RHEL-159560 CVE-2026-27654 nginx: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module
- RHEL-159539 CVE-2026-27784 nginx: NGINX: Denial of Service due to memory corruption via crafted MP4 file
- RHEL-159447 CVE-2026-27651 nginx: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled
- RHEL-157888 CVE-2026-32647 nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files