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Critical ELSA-2026-18063 1 CVE

Critical: nginx security update (Oracle Linux 10)

Published May 19, 2026 · Updated May 19, 2026

Summary

[2:1.26.3-2.0.1.el10_1.2]
- Reference oracle-indexhtml within Requires [Orabug: 33802044]

[2:1.26.3-8]
- Fix release number

[2:1.26.3-7]
- Resolves: RHEL-176217 - nginx: NGINX: Arbitrary Code

[2:1.26.3-6]
- Resolves: RHEL-157874 CVE-2026-32647 nginx: NGINX: Denial of Service or
Code Execution via specially crafted MP4 files

[2:1.26.3-5]
- Resolves: RHEL-159433 CVE-2026-27651 nginx: NGINX: Denial of Service via
undisclosed requests when ngx_mail_auth_http_module is enabled

[2:1.26.3-4]
- Resolves: RHEL-159525 CVE-2026-27784 nginx: NGINX: Denial of Service due
to memory corruption via crafted MP4 file

[2:1.26.3-3]
- Resolves: RHEL-159546 CVE-2026-27654 nginx: NGINX: Denial of Service or
file modification via buffer overflow in ngx_http_dav_module

Fixed packages 10

ReleasePackageFixed in
Oracle Linux · 10 nginx 2:1.26.3-2.0.1.el10_1.2
Oracle Linux · 10 nginx-all-modules 2:1.26.3-2.0.1.el10_1.2
Oracle Linux · 10 nginx-core 2:1.26.3-2.0.1.el10_1.2
Oracle Linux · 10 nginx-filesystem 2:1.26.3-2.0.1.el10_1.2
Oracle Linux · 10 nginx-mod-devel 2:1.26.3-2.0.1.el10_1.2
Oracle Linux · 10 nginx-mod-http-image-filter 2:1.26.3-2.0.1.el10_1.2
Oracle Linux · 10 nginx-mod-http-perl 2:1.26.3-2.0.1.el10_1.2
Oracle Linux · 10 nginx-mod-http-xslt-filter 2:1.26.3-2.0.1.el10_1.2
Oracle Linux · 10 nginx-mod-mail 2:1.26.3-2.0.1.el10_1.2
Oracle Linux · 10 nginx-mod-stream 2:1.26.3-2.0.1.el10_1.2

Vulnerabilities 1