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Allocation of Resources Without Limits or Throttling

CVE-2025-21503

Medium
4.9/10

Summary

Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). An easily exploitable vulnerability allows highly privileged attackers with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DoS) of MySQL Server. This vulnerability affects mysql-server package versions through 8.0.40, 8.1.0 through 8.4.3, 9.0.0-release through 9.1.0.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • HIGH
  • NONE
  • HIGH

CWE-770 - Allocation of Resources Without Limits or Throttling

The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References

Advisory Timeline

  • Published