Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2025-22871: The net/http package accepted data in the chunked transfer encoding containing an invalid chunk-size line terminated by a bare LF. When used in conjunction with a server or proxy which incorrectly interprets a bare LF in a chunk extension as part of the extension, this could permit request smuggling.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | runc | 0:1.2.4-2.amzn2023.0.1 |
| Amazon Linux · 2023 | runc-debuginfo | 0:1.2.4-2.amzn2023.0.1 |
| Amazon Linux · 2023 | runc-debugsource | 0:1.2.4-2.amzn2023.0.1 |
Vulnerabilities 1
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Critical 9.1
Request smuggling due to acceptance of invalid chunked data in net/http
The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2025-22871.html