Vulnerability CVE-2020-11076


Published: 2020-05-22

Description:
In Puma (RubyGem) before 4.3.4 and 3.12.5, an attacker could smuggle an HTTP response, by using an invalid transfer-encoding header. The problem has been fixed in Puma 3.12.5 and Puma 4.3.4.

 References:
https://github.com/puma/puma/blob/master/History.md#434435-and-31253126--2020-05-22
https://github.com/puma/puma/commit/f24d5521295a2152c286abb0a45a1e1e2bd275bd
https://github.com/puma/puma/security/advisories/GHSA-x7jg-6pwg-fx5h

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