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High ELSA-2026-36364 1 CVE

Important: nginx security, bug fix, and enhancement update (Oracle Linux 10)

Published Jul 16, 2026 · Updated Jul 16, 2026

Summary

[1.26.3-6.0.1.el10_2.5]
- Reference oracle-indexhtml within Requires [Orabug: 33802044]

[2:1.26.3-6.5]
- Resolves: RHEL-191778 - nginx: 'HTTP/2 bomb' nginx fix breaks module ABI
causing crashes
- Resolves: RHEL-188402 - nginx: NGINX: Arbitrary code execution or.
Denial of Service via heap-based buffer overflow with crafted HTTP/2
headers (CVE-2026-42055)

[2:1.26.3-6.4]
- Resolves: RHEL-178669 - nginx: code execution and denial of
service (CVE-2026-9256)
- Resolves: RHEL-182544 - nginx: HTTP/2: Remote Denial of Service via
compression bomb and Slowloris-style attack

[2:1.26.3-6.3]
- Resolves: RHEL-176231 - nginx: NGINX: Arbitrary Code Execution
Vulnerability (CVE-2026-42945)

[2:1.26.3-6.2]
- rebuild for the right candidate tag

[2:1.26.3-6.1]
- RHEL-159547 CVE-2026-27654 nginx: NGINX: Denial of Service or file modification via buffer overflow in ngx_http_dav_module
- RHEL-159526 CVE-2026-27784 nginx: NGINX: Denial of Service due to memory corruption via crafted MP4 file
- RHEL-159434 CVE-2026-27651 nginx: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled
- RHEL-157875 CVE-2026-32647 nginx: NGINX: Denial of Service or Code Execution via specially crafted MP4 files

Fixed packages 10

ReleasePackageFixed in
Oracle Linux · 10 nginx 2:1.26.3-6.0.1.el10_2.5
Oracle Linux · 10 nginx-all-modules 2:1.26.3-6.0.1.el10_2.5
Oracle Linux · 10 nginx-core 2:1.26.3-6.0.1.el10_2.5
Oracle Linux · 10 nginx-filesystem 2:1.26.3-6.0.1.el10_2.5
Oracle Linux · 10 nginx-mod-devel 2:1.26.3-6.0.1.el10_2.5
Oracle Linux · 10 nginx-mod-http-image-filter 2:1.26.3-6.0.1.el10_2.5
Oracle Linux · 10 nginx-mod-http-perl 2:1.26.3-6.0.1.el10_2.5
Oracle Linux · 10 nginx-mod-http-xslt-filter 2:1.26.3-6.0.1.el10_2.5
Oracle Linux · 10 nginx-mod-mail 2:1.26.3-6.0.1.el10_2.5
Oracle Linux · 10 nginx-mod-stream 2:1.26.3-6.0.1.el10_2.5

Vulnerabilities 1