vulnerability
Arch Linux: HTTP Request/Response Smuggling (CVE-2021-41136)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:H/Au:S/C:P/I:P/A:N) | Oct 12, 2021 | Jul 11, 2025 | Nov 27, 2025 |
Severity
4
CVSS
(AV:N/AC:H/Au:S/C:P/I:P/A:N)
Published
Oct 12, 2021
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
Using puma with a proxy which forwards LF characters as line endings could allow HTTP request smuggling. Puma is only aware of a single proxy server which has this behavior.
Solution
arch-linux-upgrade-latest
References
- CVE-2021-41136
- https://attackerkb.com/topics/CVE-2021-41136
- URL-https://github.com/puma/puma/commit/436c71807f00e07070902a03f79fd3e130eb6b18
- URL-https://github.com/puma/puma/commit/acdc3ae571dfae0e045cf09a295280127db65c7f
- URL-https://github.com/puma/puma/commit/fb6ad8f8013ab5cdbb2f444cbfabd0b4fde71139
- URL-https://github.com/puma/puma/security/advisories/GHSA-48w2-rm65-62xx
- CWE-444
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