Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2023-44487: 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.
Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | libnghttp2 | 0:1.57.0-1.amzn2023.0.1 |
| Amazon Linux · 2023 | libnghttp2-debuginfo | 0:1.57.0-1.amzn2023.0.1 |
| Amazon Linux · 2023 | libnghttp2-devel | 0:1.57.0-1.amzn2023.0.1 |
| Amazon Linux · 2023 | nghttp2 | 0:1.57.0-1.amzn2023.0.1 |
| Amazon Linux · 2023 | nghttp2-debuginfo | 0:1.57.0-1.amzn2023.0.1 |
| Amazon Linux · 2023 | nghttp2-debugsource | 0:1.57.0-1.amzn2023.0.1 |
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
References
-
web
https://alas.aws.amazon.com/cve/html/CVE-2023-44487.html