Summary
nginx is a web and proxy server supporting HTTP and other protocols, with a focus on high concurrency, performance, and low memory usage.
Security Fix(es):
* nginx: NGINX: Heap buffer over-read allows memory modification or denial of service (CVE-2026-56434)
* nginx: NGINX: Memory disclosure and denial of service in ngx_http_slice_module (CVE-2026-60005)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 10
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 9 | nginx | 2:1.20.1-28.el9_8.5.alma.1 |
| AlmaLinux · 9 | nginx-all-modules | 2:1.20.1-28.el9_8.5.alma.1 |
| AlmaLinux · 9 | nginx-core | 2:1.20.1-28.el9_8.5.alma.1 |
| AlmaLinux · 9 | nginx-filesystem | 2:1.20.1-28.el9_8.5.alma.1 |
| AlmaLinux · 9 | nginx-mod-devel | 2:1.20.1-28.el9_8.5.alma.1 |
| AlmaLinux · 9 | nginx-mod-http-image-filter | 2:1.20.1-28.el9_8.5.alma.1 |
| AlmaLinux · 9 | nginx-mod-http-perl | 2:1.20.1-28.el9_8.5.alma.1 |
| AlmaLinux · 9 | nginx-mod-http-xslt-filter | 2:1.20.1-28.el9_8.5.alma.1 |
| AlmaLinux · 9 | nginx-mod-mail | 2:1.20.1-28.el9_8.5.alma.1 |
| AlmaLinux · 9 | nginx-mod-stream | 2:1.20.1-28.el9_8.5.alma.1 |
Vulnerabilities 2
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High 8.2
NGINX ngx_http_slice_module vulnerability
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_slice_module module. When the slice directive and unnamed regex captures are configured or when a background cache update happens, unauthenticated attackers can send requests that may cause…
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Medium 6.5
NGINX ngx_http_ssi_module vulnerability
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_ssi_module module. This vulnerability may exist when the Server-Side Includes (SSI), proxy_pass, and proxy_buffering off directives are configured. With this configuration, an unauthenticat…