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Servers and applications

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…

Severity
High 7.5
Published
28 Apr 2025
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
9.0.104, 10.1.40, 11.0.6
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • From 11.0.1 before 11.0.6
  • Version 11.0.0-milestone25
  • Version 11.0.0-milestone24
  • Version 11.0.0-milestone23
All 27 release lines
  • From 9.0.76 before 9.0.104
  • From 10.1.10 before 10.1.40
  • Version 11.0.0-milestone2
  • Version 11.0.0-milestone3
  • Version 11.0.0-milestone4
  • Version 11.0.0-milestone5
  • Version 11.0.0-milestone6
  • Version 11.0.0-milestone7
  • Version 11.0.0-milestone8
  • Version 11.0.0-milestone9
  • Version 11.0.0-milestone10
  • Version 11.0.0-milestone11
  • Version 11.0.0-milestone12
  • Version 11.0.0-milestone13
  • Version 11.0.0-milestone14
  • Version 11.0.0-milestone15
  • Version 11.0.0-milestone16
  • Version 11.0.0-milestone17
  • Version 11.0.0-milestone18
  • Version 11.0.0-milestone19
  • Version 11.0.0-milestone20
  • Version 11.0.0-milestone21
  • Version 11.0.0-milestone22
  • Version 11.0.0-milestone23
  • Version 11.0.0-milestone24
  • Version 11.0.0-milestone25
  • From 11.0.1 before 11.0.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-31650
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-31650