Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2024-27316: HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | mod_http2 | 0:2.0.27-1.amzn2023.0.2 |
| Amazon Linux · 2023 | mod_http2-debuginfo | 0:2.0.27-1.amzn2023.0.2 |
| Amazon Linux · 2023 | mod_http2-debugsource | 0:2.0.27-1.amzn2023.0.2 |
Vulnerabilities 1
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High 7.5
Apache HTTP Server: HTTP/2 DoS by memory exhaustion on endless continuation frames
HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2024-27316.html