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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2016-4817

lib/http2/connection.c in H2O before 1.7.3 and 2.x before 2.0.0-beta5 mishandles HTTP/2 disconnection, which allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly execute arbitrary code via a crafted packet.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.075
EPSS Ranking 91.3%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
Products affected by CVE-2016-4817
  • Dena » H2o » Version: 0.9.0
    cpe:2.3:a:dena:h2o:0.9.0
  • Dena » H2o » Version: 0.9.1
    cpe:2.3:a:dena:h2o:0.9.1
  • Dena » H2o » Version: 0.9.2
    cpe:2.3:a:dena:h2o:0.9.2
  • Dena » H2o » Version: 1.0.0
    cpe:2.3:a:dena:h2o:1.0.0
  • Dena » H2o » Version: 1.0.1
    cpe:2.3:a:dena:h2o:1.0.1
  • Dena » H2o » Version: 1.1.0
    cpe:2.3:a:dena:h2o:1.1.0
  • Dena » H2o » Version: 1.1.1
    cpe:2.3:a:dena:h2o:1.1.1
  • Dena » H2o » Version: 1.2.0
    cpe:2.3:a:dena:h2o:1.2.0
  • Dena » H2o » Version: 1.3.0
    cpe:2.3:a:dena:h2o:1.3.0
  • Dena » H2o » Version: 1.3.1
    cpe:2.3:a:dena:h2o:1.3.1
  • Dena » H2o » Version: 1.4.0
    cpe:2.3:a:dena:h2o:1.4.0
  • Dena » H2o » Version: 1.4.1
    cpe:2.3:a:dena:h2o:1.4.1
  • Dena » H2o » Version: 1.4.2
    cpe:2.3:a:dena:h2o:1.4.2
  • Dena » H2o » Version: 1.4.3
    cpe:2.3:a:dena:h2o:1.4.3
  • Dena » H2o » Version: 1.4.4
    cpe:2.3:a:dena:h2o:1.4.4
  • Dena » H2o » Version: 1.4.5
    cpe:2.3:a:dena:h2o:1.4.5
  • Dena » H2o » Version: 1.5.0
    cpe:2.3:a:dena:h2o:1.5.0
  • Dena » H2o » Version: 1.5.1
    cpe:2.3:a:dena:h2o:1.5.1
  • Dena » H2o » Version: 1.5.2
    cpe:2.3:a:dena:h2o:1.5.2
  • Dena » H2o » Version: 1.5.3
    cpe:2.3:a:dena:h2o:1.5.3
  • Dena » H2o » Version: 1.5.4
    cpe:2.3:a:dena:h2o:1.5.4
  • Dena » H2o » Version: 1.5.5
    cpe:2.3:a:dena:h2o:1.5.5
  • Dena » H2o » Version: 1.6.0
    cpe:2.3:a:dena:h2o:1.6.0
  • Dena » H2o » Version: 1.6.1
    cpe:2.3:a:dena:h2o:1.6.1
  • Dena » H2o » Version: 1.6.2
    cpe:2.3:a:dena:h2o:1.6.2
  • Dena » H2o » Version: 1.6.3
    cpe:2.3:a:dena:h2o:1.6.3
  • Dena » H2o » Version: 1.7.0
    cpe:2.3:a:dena:h2o:1.7.0
  • Dena » H2o » Version: 1.7.1
    cpe:2.3:a:dena:h2o:1.7.1
  • Dena » H2o » Version: 1.7.2
    cpe:2.3:a:dena:h2o:1.7.2
  • Dena » H2o » Version: 2.0.0
    cpe:2.3:a:dena:h2o:2.0.0


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