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):
* HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack) (CVE-2023-44487)
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 | 1:1.20.1-14.el9_2.1.alma.1 |
| AlmaLinux · 9 | nginx-all-modules | 1:1.20.1-14.el9_2.1.alma.1 |
| AlmaLinux · 9 | nginx-core | 1:1.20.1-14.el9_2.1.alma.1 |
| AlmaLinux · 9 | nginx-filesystem | 1:1.20.1-14.el9_2.1.alma.1 |
| AlmaLinux · 9 | nginx-mod-devel | 1:1.20.1-14.el9_2.1.alma.1 |
| AlmaLinux · 9 | nginx-mod-http-image-filter | 1:1.20.1-14.el9_2.1.alma.1 |
| AlmaLinux · 9 | nginx-mod-http-perl | 1:1.20.1-14.el9_2.1.alma.1 |
| AlmaLinux · 9 | nginx-mod-http-xslt-filter | 1:1.20.1-14.el9_2.1.alma.1 |
| AlmaLinux · 9 | nginx-mod-mail | 1:1.20.1-14.el9_2.1.alma.1 |
| AlmaLinux · 9 | nginx-mod-stream | 1:1.20.1-14.el9_2.1.alma.1 |
Vulnerabilities 1
-
High 7.5
HTTP/2 Stream Cancellation Attack
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
KEV Oct 10, 2023