12 known security vulnerabilities

  • criticalGHSA-68xg-gqqm-vgj8(CVE-2023-40175)

    Puma HTTP Request/Response Smuggling vulnerability

Show 11 more vulnerabilities
1 critical3 high6 moderate1 low
  • criticalGHSA-h99w-9q5r-gjq9(CVE-2022-24790)

    Puma vulnerable to HTTP Request Smuggling

  • highGHSA-q28m-8xjw-8vr5(CVE-2021-29509)

    Puma's Keepalive Connections Causing Denial Of Service

  • highGHSA-rmj8-8hhh-gv5h(CVE-2022-23634)

    Puma used with Rails may lead to Information Exposure

  • highGHSA-x7jg-6pwg-fx5h(CVE-2020-11076)

    HTTP Smuggling via Transfer-Encoding Header in Puma

  • moderateGHSA-33vf-4xgg-9r58(CVE-2020-5249)

    HTTP Response Splitting (Early Hints) in Puma

  • moderateGHSA-7xx3-m584-x994(CVE-2019-16770)

    A poorly-behaved client could use keepalive requests to monopolize Puma's reactor and create a denial of service attack

  • moderateGHSA-84j7-475p-hp8v(BIT-ruby-2020-5247, BIT-ruby-min-2020-5247, CVE-2020-5247)

    HTTP Response Splitting in Puma

  • moderateGHSA-9hf4-67fc-4vf4(CVE-2024-45614)

    Puma's header normalization allows for client to clobber proxy set headers

  • moderateGHSA-c2f4-cvqm-65w2(CVE-2024-21647)

    Puma HTTP Request/Response Smuggling vulnerability

  • moderateGHSA-w64w-qqph-5gxm(CVE-2020-11077)

    HTTP Smuggling via Transfer-Encoding Header in Puma

  • lowGHSA-48w2-rm65-62xx(CVE-2021-41136)

    Puma with proxy which forwards LF characters as line endings could allow HTTP request smuggling

Puma is a simple, fast, threaded, and highly concurrent HTTP 1.1 server for Ruby/Rack applications. Puma is intended for use in both development and production environments. It's great for highly concurrent Ruby implementations such as Rubinius and JRuby as well as as providing process worker support to support CRuby well.

Required Ruby Version

>= 2.2

Authors

Evan Phoenix

Versions

  1. 8.0.2

    1. source

      1. 8.0.2 source May 26, 2026 (259 KB)

    2. java

      1. 8.0.2 multi-abi May 26, 2026 (287 KB)
  2. 8.0.1

    1. source

      1. 8.0.1 source April 26, 2026 (259 KB)

    2. java

      1. 8.0.1 multi-abi April 26, 2026 (287 KB)
  3. 8.0.0

    1. source

      1. 8.0.0 source April 09, 2026 (259 KB)

    2. java

      1. 8.0.0 multi-abi April 09, 2026 (288 KB)
  4. 7.2.1

    1. source

      1. 7.2.1 source May 27, 2026 (241 KB)

    2. java

      1. 7.2.1 multi-abi May 27, 2026 (269 KB)
  5. 7.2.0

    1. source

      1. 7.2.0 source January 21, 2026 (241 KB)

    2. java

      1. 7.2.0 multi-abi January 21, 2026 (264 KB)
  6. 4.3.0

    1. source

      1. 4.3.0 source November 07, 2019 (170 KB)

    2. java

      1. 4.3.0 multi-abi November 07, 2019 (191 KB)
Show all versions (365 total)

Pushed by

nateberkopec

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