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USN-6682-1 Not scored

puma vulnerabilities

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)

Exploit probability Not scored
Published March 7, 2024
Required by Not available
Last source change April 27, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:Pro:20.04:LTS puma

3 explicit affected versions

Ubuntu:Pro:22.04:LTS puma

2 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-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. (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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05 / REFERENCES

Further evidence