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Critical ELSA-2026-18029 1 CVE

Critical: nginx security update (Oracle Linux 9)

Published May 19, 2026 · Updated May 19, 2026

Summary

[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)

Fixed packages 10

ReleasePackageFixed in
Oracle Linux · 9 nginx 2:1.20.1-24.0.1.el9_7.3
Oracle Linux · 9 nginx-all-modules 2:1.20.1-24.0.1.el9_7.3
Oracle Linux · 9 nginx-core 2:1.20.1-24.0.1.el9_7.3
Oracle Linux · 9 nginx-filesystem 2:1.20.1-24.0.1.el9_7.3
Oracle Linux · 9 nginx-mod-devel 2:1.20.1-24.0.1.el9_7.3
Oracle Linux · 9 nginx-mod-http-image-filter 2:1.20.1-24.0.1.el9_7.3
Oracle Linux · 9 nginx-mod-http-perl 2:1.20.1-24.0.1.el9_7.3
Oracle Linux · 9 nginx-mod-http-xslt-filter 2:1.20.1-24.0.1.el9_7.3
Oracle Linux · 9 nginx-mod-mail 2:1.20.1-24.0.1.el9_7.3
Oracle Linux · 9 nginx-mod-stream 2:1.20.1-24.0.1.el9_7.3

Vulnerabilities 1