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Vulnerable Software

Vulnerability Details CVE-2023-40175

Puma is a Ruby/Rack web server built for parallelism. Prior to versions 6.3.1 and 5.6.7, puma exhibited incorrect behavior when parsing chunked transfer encoding bodies and zero-length Content-Length headers in a way that allowed HTTP request smuggling. Severity of this issue is highly dependent on the nature of the web site using puma is. This could be caused by either incorrect parsing of trailing fields in chunked transfer encoding bodies or by parsing of blank/zero-length Content-Length headers. Both issues have been addressed and this vulnerability has been fixed in versions 6.3.1 and 5.6.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 51.4%
CVSS Severity
CVSS v3 Score 7.3
Products affected by CVE-2023-40175
  • Puma » Puma » Version: N/A
    cpe:2.3:a:puma:puma:-
  • Puma » Puma » Version: 1.0.0
    cpe:2.3:a:puma:puma:1.0.0
  • Puma » Puma » Version: 1.1.0
    cpe:2.3:a:puma:puma:1.1.0
  • Puma » Puma » Version: 1.1.1
    cpe:2.3:a:puma:puma:1.1.1
  • Puma » Puma » Version: 1.2.0
    cpe:2.3:a:puma:puma:1.2.0
  • Puma » Puma » Version: 1.2.1
    cpe:2.3:a:puma:puma:1.2.1
  • Puma » Puma » Version: 1.2.2
    cpe:2.3:a:puma:puma:1.2.2
  • Puma » Puma » Version: 1.3.0
    cpe:2.3:a:puma:puma:1.3.0
  • Puma » Puma » Version: 1.3.1
    cpe:2.3:a:puma:puma:1.3.1
  • Puma » Puma » Version: 1.4.0
    cpe:2.3:a:puma:puma:1.4.0
  • Puma » Puma » Version: 1.5.0
    cpe:2.3:a:puma:puma:1.5.0
  • Puma » Puma » Version: 1.6.2
    cpe:2.3:a:puma:puma:1.6.2
  • Puma » Puma » Version: 2.0.0
    cpe:2.3:a:puma:puma:2.0.0
  • Puma » Puma » Version: 2.0.1
    cpe:2.3:a:puma:puma:2.0.1
  • Puma » Puma » Version: 2.1.0
    cpe:2.3:a:puma:puma:2.1.0
  • Puma » Puma » Version: 2.1.1
    cpe:2.3:a:puma:puma:2.1.1
  • Puma » Puma » Version: 2.10.0
    cpe:2.3:a:puma:puma:2.10.0
  • Puma » Puma » Version: 2.10.1
    cpe:2.3:a:puma:puma:2.10.1
  • Puma » Puma » Version: 2.10.2
    cpe:2.3:a:puma:puma:2.10.2
  • Puma » Puma » Version: 2.11.0
    cpe:2.3:a:puma:puma:2.11.0
  • Puma » Puma » Version: 2.11.2
    cpe:2.3:a:puma:puma:2.11.2
  • Puma » Puma » Version: 2.11.3
    cpe:2.3:a:puma:puma:2.11.3
  • Puma » Puma » Version: 2.12.0
    cpe:2.3:a:puma:puma:2.12.0
  • Puma » Puma » Version: 2.12.1
    cpe:2.3:a:puma:puma:2.12.1
  • Puma » Puma » Version: 2.12.2
    cpe:2.3:a:puma:puma:2.12.2
  • Puma » Puma » Version: 2.12.3
    cpe:2.3:a:puma:puma:2.12.3
  • Puma » Puma » Version: 2.13.0
    cpe:2.3:a:puma:puma:2.13.0
  • Puma » Puma » Version: 2.13.1
    cpe:2.3:a:puma:puma:2.13.1
  • Puma » Puma » Version: 2.13.2
    cpe:2.3:a:puma:puma:2.13.2
  • Puma » Puma » Version: 2.13.3
    cpe:2.3:a:puma:puma:2.13.3
  • Puma » Puma » Version: 2.13.4
    cpe:2.3:a:puma:puma:2.13.4
  • Puma » Puma » Version: 2.14.0
    cpe:2.3:a:puma:puma:2.14.0
  • Puma » Puma » Version: 2.15.0
    cpe:2.3:a:puma:puma:2.15.0
  • Puma » Puma » Version: 2.15.1
    cpe:2.3:a:puma:puma:2.15.1
  • Puma » Puma » Version: 2.15.2
    cpe:2.3:a:puma:puma:2.15.2
  • Puma » Puma » Version: 2.15.3
    cpe:2.3:a:puma:puma:2.15.3
  • Puma » Puma » Version: 2.16.0
    cpe:2.3:a:puma:puma:2.16.0
  • Puma » Puma » Version: 2.2.0
    cpe:2.3:a:puma:puma:2.2.0
  • Puma » Puma » Version: 2.2.1
    cpe:2.3:a:puma:puma:2.2.1
  • Puma » Puma » Version: 2.2.2
    cpe:2.3:a:puma:puma:2.2.2
  • Puma » Puma » Version: 2.3.0
    cpe:2.3:a:puma:puma:2.3.0
  • Puma » Puma » Version: 2.3.1
    cpe:2.3:a:puma:puma:2.3.1
  • Puma » Puma » Version: 2.3.2
    cpe:2.3:a:puma:puma:2.3.2
  • Puma » Puma » Version: 2.4.0
    cpe:2.3:a:puma:puma:2.4.0
  • Puma » Puma » Version: 2.4.1
    cpe:2.3:a:puma:puma:2.4.1
  • Puma » Puma » Version: 2.5.0
    cpe:2.3:a:puma:puma:2.5.0
  • Puma » Puma » Version: 2.5.1
    cpe:2.3:a:puma:puma:2.5.1
  • Puma » Puma » Version: 2.6.0
    cpe:2.3:a:puma:puma:2.6.0
  • Puma » Puma » Version: 2.7.0
    cpe:2.3:a:puma:puma:2.7.0
  • Puma » Puma » Version: 2.7.1
    cpe:2.3:a:puma:puma:2.7.1
  • Puma » Puma » Version: 2.8.0
    cpe:2.3:a:puma:puma:2.8.0
  • Puma » Puma » Version: 2.8.1
    cpe:2.3:a:puma:puma:2.8.1
  • Puma » Puma » Version: 2.8.2
    cpe:2.3:a:puma:puma:2.8.2
  • Puma » Puma » Version: 2.9.0
    cpe:2.3:a:puma:puma:2.9.0
  • Puma » Puma » Version: 2.9.1
    cpe:2.3:a:puma:puma:2.9.1
  • Puma » Puma » Version: 2.9.2
    cpe:2.3:a:puma:puma:2.9.2
  • Puma » Puma » Version: 3.0.0
    cpe:2.3:a:puma:puma:3.0.0
  • Puma » Puma » Version: 3.0.1
    cpe:2.3:a:puma:puma:3.0.1
  • Puma » Puma » Version: 3.0.2
    cpe:2.3:a:puma:puma:3.0.2
  • Puma » Puma » Version: 3.1.0
    cpe:2.3:a:puma:puma:3.1.0
  • Puma » Puma » Version: 3.1.1
    cpe:2.3:a:puma:puma:3.1.1
  • Puma » Puma » Version: 3.10.0
    cpe:2.3:a:puma:puma:3.10.0
  • Puma » Puma » Version: 3.11.0
    cpe:2.3:a:puma:puma:3.11.0
  • Puma » Puma » Version: 3.11.1
    cpe:2.3:a:puma:puma:3.11.1
  • Puma » Puma » Version: 3.11.2
    cpe:2.3:a:puma:puma:3.11.2
  • Puma » Puma » Version: 3.11.3
    cpe:2.3:a:puma:puma:3.11.3
  • Puma » Puma » Version: 3.11.4
    cpe:2.3:a:puma:puma:3.11.4
  • Puma » Puma » Version: 3.12.0
    cpe:2.3:a:puma:puma:3.12.0
  • Puma » Puma » Version: 3.12.1
    cpe:2.3:a:puma:puma:3.12.1
  • Puma » Puma » Version: 3.12.2
    cpe:2.3:a:puma:puma:3.12.2
  • Puma » Puma » Version: 3.12.3
    cpe:2.3:a:puma:puma:3.12.3
  • Puma » Puma » Version: 3.12.4
    cpe:2.3:a:puma:puma:3.12.4
  • Puma » Puma » Version: 3.12.5
    cpe:2.3:a:puma:puma:3.12.5
  • Puma » Puma » Version: 3.12.6
    cpe:2.3:a:puma:puma:3.12.6
  • Puma » Puma » Version: 3.2.0
    cpe:2.3:a:puma:puma:3.2.0
  • Puma » Puma » Version: 3.3.0
    cpe:2.3:a:puma:puma:3.3.0
  • Puma » Puma » Version: 3.4.0
    cpe:2.3:a:puma:puma:3.4.0
  • Puma » Puma » Version: 3.5.0
    cpe:2.3:a:puma:puma:3.5.0
  • Puma » Puma » Version: 3.5.1
    cpe:2.3:a:puma:puma:3.5.1
  • Puma » Puma » Version: 3.5.2
    cpe:2.3:a:puma:puma:3.5.2
  • Puma » Puma » Version: 3.6.0
    cpe:2.3:a:puma:puma:3.6.0
  • Puma » Puma » Version: 3.6.1
    cpe:2.3:a:puma:puma:3.6.1
  • Puma » Puma » Version: 3.6.2
    cpe:2.3:a:puma:puma:3.6.2
  • Puma » Puma » Version: 3.7.0
    cpe:2.3:a:puma:puma:3.7.0
  • Puma » Puma » Version: 3.7.1
    cpe:2.3:a:puma:puma:3.7.1
  • Puma » Puma » Version: 3.8.0
    cpe:2.3:a:puma:puma:3.8.0
  • Puma » Puma » Version: 3.8.1
    cpe:2.3:a:puma:puma:3.8.1
  • Puma » Puma » Version: 3.8.2
    cpe:2.3:a:puma:puma:3.8.2
  • Puma » Puma » Version: 3.9.0
    cpe:2.3:a:puma:puma:3.9.0
  • Puma » Puma » Version: 3.9.1
    cpe:2.3:a:puma:puma:3.9.1
  • Puma » Puma » Version: 4.0.0
    cpe:2.3:a:puma:puma:4.0.0
  • Puma » Puma » Version: 4.0.1
    cpe:2.3:a:puma:puma:4.0.1
  • Puma » Puma » Version: 4.1.0
    cpe:2.3:a:puma:puma:4.1.0
  • Puma » Puma » Version: 4.1.1
    cpe:2.3:a:puma:puma:4.1.1
  • Puma » Puma » Version: 4.2.0
    cpe:2.3:a:puma:puma:4.2.0
  • Puma » Puma » Version: 4.2.1
    cpe:2.3:a:puma:puma:4.2.1
  • Puma » Puma » Version: 4.3.0
    cpe:2.3:a:puma:puma:4.3.0
  • Puma » Puma » Version: 4.3.1
    cpe:2.3:a:puma:puma:4.3.1
  • Puma » Puma » Version: 4.3.10
    cpe:2.3:a:puma:puma:4.3.10
  • Puma » Puma » Version: 4.3.11
    cpe:2.3:a:puma:puma:4.3.11
  • Puma » Puma » Version: 4.3.12
    cpe:2.3:a:puma:puma:4.3.12
  • Puma » Puma » Version: 4.3.2
    cpe:2.3:a:puma:puma:4.3.2
  • Puma » Puma » Version: 4.3.3
    cpe:2.3:a:puma:puma:4.3.3
  • Puma » Puma » Version: 4.3.4
    cpe:2.3:a:puma:puma:4.3.4
  • Puma » Puma » Version: 4.3.5
    cpe:2.3:a:puma:puma:4.3.5
  • Puma » Puma » Version: 4.3.6
    cpe:2.3:a:puma:puma:4.3.6
  • Puma » Puma » Version: 4.3.7
    cpe:2.3:a:puma:puma:4.3.7
  • Puma » Puma » Version: 4.3.8
    cpe:2.3:a:puma:puma:4.3.8
  • Puma » Puma » Version: 4.3.9
    cpe:2.3:a:puma:puma:4.3.9
  • Puma » Puma » Version: 5.0.0
    cpe:2.3:a:puma:puma:5.0.0
  • Puma » Puma » Version: 5.0.1
    cpe:2.3:a:puma:puma:5.0.1
  • Puma » Puma » Version: 5.0.2
    cpe:2.3:a:puma:puma:5.0.2
  • Puma » Puma » Version: 5.0.3
    cpe:2.3:a:puma:puma:5.0.3
  • Puma » Puma » Version: 5.0.4
    cpe:2.3:a:puma:puma:5.0.4
  • Puma » Puma » Version: 5.1.0
    cpe:2.3:a:puma:puma:5.1.0
  • Puma » Puma » Version: 5.1.1
    cpe:2.3:a:puma:puma:5.1.1
  • Puma » Puma » Version: 5.2.0
    cpe:2.3:a:puma:puma:5.2.0
  • Puma » Puma » Version: 5.2.1
    cpe:2.3:a:puma:puma:5.2.1
  • Puma » Puma » Version: 5.2.2
    cpe:2.3:a:puma:puma:5.2.2
  • Puma » Puma » Version: 5.3.0
    cpe:2.3:a:puma:puma:5.3.0
  • Puma » Puma » Version: 5.3.1
    cpe:2.3:a:puma:puma:5.3.1
  • Puma » Puma » Version: 5.3.2
    cpe:2.3:a:puma:puma:5.3.2
  • Puma » Puma » Version: 5.4.0
    cpe:2.3:a:puma:puma:5.4.0
  • Puma » Puma » Version: 5.5.0
    cpe:2.3:a:puma:puma:5.5.0
  • Puma » Puma » Version: 5.5.1
    cpe:2.3:a:puma:puma:5.5.1
  • Puma » Puma » Version: 5.5.2
    cpe:2.3:a:puma:puma:5.5.2
  • Puma » Puma » Version: 5.6.1
    cpe:2.3:a:puma:puma:5.6.1
  • Puma » Puma » Version: 5.6.2
    cpe:2.3:a:puma:puma:5.6.2
  • Puma » Puma » Version: 5.6.4
    cpe:2.3:a:puma:puma:5.6.4
  • Puma » Puma » Version: 5.6.5
    cpe:2.3:a:puma:puma:5.6.5
  • Puma » Puma » Version: 5.6.6
    cpe:2.3:a:puma:puma:5.6.6
  • Puma » Puma » Version: 6.0.0
    cpe:2.3:a:puma:puma:6.0.0
  • Puma » Puma » Version: 6.0.1
    cpe:2.3:a:puma:puma:6.0.1
  • Puma » Puma » Version: 6.0.2
    cpe:2.3:a:puma:puma:6.0.2
  • Puma » Puma » Version: 6.1.0
    cpe:2.3:a:puma:puma:6.1.0
  • Puma » Puma » Version: 6.1.1
    cpe:2.3:a:puma:puma:6.1.1
  • Puma » Puma » Version: 6.2.0
    cpe:2.3:a:puma:puma:6.2.0
  • Puma » Puma » Version: 6.2.1
    cpe:2.3:a:puma:puma:6.2.1
  • Puma » Puma » Version: 6.2.2
    cpe:2.3:a:puma:puma:6.2.2


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