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Vulnerability Details CVE-2025-31650

Improper Input Validation vulnerability in Apache Tomcat. Incorrect error handling for some invalid HTTP priority headers resulted in incomplete clean-up of the failed request which created a memory leak. A large number of such requests could trigger an OutOfMemoryException resulting in a denial of service. This issue affects Apache Tomcat: from 9.0.76 through 9.0.102, from 10.1.10 through 10.1.39, from 11.0.0-M2 through 11.0.5. Users are recommended to upgrade to version 9.0.104, 10.1.40 or 11.0.6 which fix the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 34.6%
CVSS Severity
CVSS v3 Score 7.5
Products affected by CVE-2025-31650
  • Apache » Tomcat » Version: 10.1.10
    cpe:2.3:a:apache:tomcat:10.1.10
  • Apache » Tomcat » Version: 10.1.11
    cpe:2.3:a:apache:tomcat:10.1.11
  • Apache » Tomcat » Version: 10.1.12
    cpe:2.3:a:apache:tomcat:10.1.12
  • Apache » Tomcat » Version: 10.1.13
    cpe:2.3:a:apache:tomcat:10.1.13
  • Apache » Tomcat » Version: 10.1.14
    cpe:2.3:a:apache:tomcat:10.1.14
  • Apache » Tomcat » Version: 10.1.15
    cpe:2.3:a:apache:tomcat:10.1.15
  • Apache » Tomcat » Version: 10.1.16
    cpe:2.3:a:apache:tomcat:10.1.16
  • Apache » Tomcat » Version: 10.1.17
    cpe:2.3:a:apache:tomcat:10.1.17
  • Apache » Tomcat » Version: 10.1.18
    cpe:2.3:a:apache:tomcat:10.1.18
  • Apache » Tomcat » Version: 10.1.19
    cpe:2.3:a:apache:tomcat:10.1.19
  • Apache » Tomcat » Version: 10.1.20
    cpe:2.3:a:apache:tomcat:10.1.20
  • Apache » Tomcat » Version: 10.1.22
    cpe:2.3:a:apache:tomcat:10.1.22
  • Apache » Tomcat » Version: 10.1.23
    cpe:2.3:a:apache:tomcat:10.1.23
  • Apache » Tomcat » Version: 10.1.24
    cpe:2.3:a:apache:tomcat:10.1.24
  • Apache » Tomcat » Version: 10.1.25
    cpe:2.3:a:apache:tomcat:10.1.25
  • Apache » Tomcat » Version: 10.1.26
    cpe:2.3:a:apache:tomcat:10.1.26
  • Apache » Tomcat » Version: 10.1.27
    cpe:2.3:a:apache:tomcat:10.1.27
  • Apache » Tomcat » Version: 10.1.28
    cpe:2.3:a:apache:tomcat:10.1.28
  • Apache » Tomcat » Version: 10.1.29
    cpe:2.3:a:apache:tomcat:10.1.29
  • Apache » Tomcat » Version: 10.1.30
    cpe:2.3:a:apache:tomcat:10.1.30
  • Apache » Tomcat » Version: 10.1.31
    cpe:2.3:a:apache:tomcat:10.1.31
  • Apache » Tomcat » Version: 10.1.32
    cpe:2.3:a:apache:tomcat:10.1.32
  • Apache » Tomcat » Version: 10.1.33
    cpe:2.3:a:apache:tomcat:10.1.33
  • Apache » Tomcat » Version: 10.1.34
    cpe:2.3:a:apache:tomcat:10.1.34
  • Apache » Tomcat » Version: 10.1.35
    cpe:2.3:a:apache:tomcat:10.1.35
  • Apache » Tomcat » Version: 10.1.39
    cpe:2.3:a:apache:tomcat:10.1.39
  • Apache » Tomcat » Version: 11.0.0
    cpe:2.3:a:apache:tomcat:11.0.0
  • Apache » Tomcat » Version: 11.0.1
    cpe:2.3:a:apache:tomcat:11.0.1
  • Apache » Tomcat » Version: 11.0.2
    cpe:2.3:a:apache:tomcat:11.0.2
  • Apache » Tomcat » Version: 11.0.3
    cpe:2.3:a:apache:tomcat:11.0.3
  • Apache » Tomcat » Version: 11.0.5
    cpe:2.3:a:apache:tomcat:11.0.5
  • Apache » Tomcat » Version: 9.0.102
    cpe:2.3:a:apache:tomcat:9.0.102
  • Apache » Tomcat » Version: 9.0.76
    cpe:2.3:a:apache:tomcat:9.0.76
  • Apache » Tomcat » Version: 9.0.77
    cpe:2.3:a:apache:tomcat:9.0.77
  • Apache » Tomcat » Version: 9.0.78
    cpe:2.3:a:apache:tomcat:9.0.78
  • Apache » Tomcat » Version: 9.0.79
    cpe:2.3:a:apache:tomcat:9.0.79
  • Apache » Tomcat » Version: 9.0.80
    cpe:2.3:a:apache:tomcat:9.0.80
  • Apache » Tomcat » Version: 9.0.81
    cpe:2.3:a:apache:tomcat:9.0.81
  • Apache » Tomcat » Version: 9.0.82
    cpe:2.3:a:apache:tomcat:9.0.82
  • Apache » Tomcat » Version: 9.0.83
    cpe:2.3:a:apache:tomcat:9.0.83
  • Apache » Tomcat » Version: 9.0.84
    cpe:2.3:a:apache:tomcat:9.0.84
  • Apache » Tomcat » Version: 9.0.85
    cpe:2.3:a:apache:tomcat:9.0.85
  • Apache » Tomcat » Version: 9.0.86
    cpe:2.3:a:apache:tomcat:9.0.86
  • Apache » Tomcat » Version: 9.0.87
    cpe:2.3:a:apache:tomcat:9.0.87
  • Apache » Tomcat » Version: 9.0.88
    cpe:2.3:a:apache:tomcat:9.0.88
  • Apache » Tomcat » Version: 9.0.89
    cpe:2.3:a:apache:tomcat:9.0.89
  • Apache » Tomcat » Version: 9.0.90
    cpe:2.3:a:apache:tomcat:9.0.90
  • Apache » Tomcat » Version: 9.0.91
    cpe:2.3:a:apache:tomcat:9.0.91
  • Apache » Tomcat » Version: 9.0.92
    cpe:2.3:a:apache:tomcat:9.0.92
  • Apache » Tomcat » Version: 9.0.93
    cpe:2.3:a:apache:tomcat:9.0.93
  • Apache » Tomcat » Version: 9.0.94
    cpe:2.3:a:apache:tomcat:9.0.94
  • Apache » Tomcat » Version: 9.0.95
    cpe:2.3:a:apache:tomcat:9.0.95
  • Apache » Tomcat » Version: 9.0.96
    cpe:2.3:a:apache:tomcat:9.0.96
  • Apache » Tomcat » Version: 9.0.97
    cpe:2.3:a:apache:tomcat:9.0.97
  • Apache » Tomcat » Version: 9.0.98
    cpe:2.3:a:apache:tomcat:9.0.98
  • Apache » Tomcat » Version: 9.0.99
    cpe:2.3:a:apache:tomcat:9.0.99


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