[El-errata] ELSA-2026-18029 Critical: Oracle Linux 9 nginx security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2026-18029

http://linux.oracle.com/errata/ELSA-2026-18029.html

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

x86_64:
nginx-1.20.1-24.0.1.el9_7.3.x86_64.rpm
nginx-all-modules-1.20.1-24.0.1.el9_7.3.noarch.rpm
nginx-core-1.20.1-24.0.1.el9_7.3.x86_64.rpm
nginx-filesystem-1.20.1-24.0.1.el9_7.3.noarch.rpm
nginx-mod-devel-1.20.1-24.0.1.el9_7.3.x86_64.rpm
nginx-mod-http-image-filter-1.20.1-24.0.1.el9_7.3.x86_64.rpm
nginx-mod-http-perl-1.20.1-24.0.1.el9_7.3.x86_64.rpm
nginx-mod-http-xslt-filter-1.20.1-24.0.1.el9_7.3.x86_64.rpm
nginx-mod-mail-1.20.1-24.0.1.el9_7.3.x86_64.rpm
nginx-mod-stream-1.20.1-24.0.1.el9_7.3.x86_64.rpm

aarch64:
nginx-1.20.1-24.0.1.el9_7.3.aarch64.rpm
nginx-all-modules-1.20.1-24.0.1.el9_7.3.noarch.rpm
nginx-core-1.20.1-24.0.1.el9_7.3.aarch64.rpm
nginx-filesystem-1.20.1-24.0.1.el9_7.3.noarch.rpm
nginx-mod-devel-1.20.1-24.0.1.el9_7.3.aarch64.rpm
nginx-mod-http-image-filter-1.20.1-24.0.1.el9_7.3.aarch64.rpm
nginx-mod-http-perl-1.20.1-24.0.1.el9_7.3.aarch64.rpm
nginx-mod-http-xslt-filter-1.20.1-24.0.1.el9_7.3.aarch64.rpm
nginx-mod-mail-1.20.1-24.0.1.el9_7.3.aarch64.rpm
nginx-mod-stream-1.20.1-24.0.1.el9_7.3.aarch64.rpm


SRPMS:
http://oss.oracle.com/ol9/SRPMS-updates/nginx-1.20.1-24.0.1.el9_7.3.src.rpm

Related CVEs:

CVE-2026-42945




Description of changes:

[2:1.20.1-24.0.1.el9_7.3]
- Reference oracle-indexhtml within Requires [Orabug: 33802044]
- Remove Red Hat references [Orabug: 29498217]
- Update upstream references [Orabug: 36579090]

[2:1.20.1-24.3]
- Resolves: RHEL-176230 - nginx: NGINX: Arbitrary Code Execution
  Vulnerability (CVE-2026-42945)

[2:1.20.1-24.2]
- Resolves: RHEL-159557 - CVE-2026-27654 nginx: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module
- Resolves: RHEL-159536 - CVE-2026-27784 nginx: NGINX: Denial of Service due to memory corruption via crafted MP4 file
- Resolves: RHEL-159444 - CVE-2026-27651 nginx: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled
- Resolves: RHEL-157885 - CVE-2026-32647 nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files

[2:1.20.1-24.1]
- Resolves: RHEL-146525 - nginx: NGINX: Data injection via man-in-the-middle
  attack on TLS proxied connections (CVE-2026-1642)