Ubuntu Security Notice 6682-1 - ZeddYu Lu discovered that Puma incorrectly handled parsing certain headers. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue only affected Ubuntu 20.04 LTS. It was discovered that Puma incorrectly handled parsing certain headers. A remote attacker could possibly use this issue to perform an HTTP Request Smuggling attack. This issue only affected Ubuntu 20.04 LTS.
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Gentoo Linux Security Advisory 202208-28 - Multiple vulnerabilities have been discovered in Puma, the worst of which could result in denial of service. Versions less than 5.6.4 are affected.
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Debian Linux Security Advisory 5146-1 - Multiple security vulnerabilities were discovered in Puma, a HTTP server for Ruby/Rack applications, which could result in HTTP request smuggling or information disclosure.
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