USN-6682-1: Puma vulnerabilities

Ubuntu Security Advisory

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.
(CVE-2020-11076)

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.
(CVE-2020-11077)

Jean Boussier discovered that Puma might not always release resources
properly after handling HTTP requests. A remote attacker could possibly
use this issue to read sensitive information. (CVE-2022-23634)

It was discovered that Puma incorrectly handled certain malformed headers.
A remote attacker could use this issue to perform an HTTP Request Smuggling
attack. (CVE-2022-24790)

Ben Kallus discovered that Puma incorrectly handled parsing certain headers.
A remote attacker could use this issue to perform an HTTP Request Smuggling
attack. (CVE-2023-40175)

Bartek Nowotarski discovered that Puma incorrectly handled parsing certain
encoded content. A remote attacker could possibly use this to cause a
denial of service. (CVE-2024-21647)

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