CVE-2026-102467
Published:October 15, 2026
Updated:October 20, 2026
In Eclipse Vert.x versions [4.0.0, 4.5.34] or [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], the WebSocket implementation does not define a maximum number of bytes allocation when decompressing frames or messages. This can be used to implement DDOS attacks with a zip bomb.
The impacted component is io.vertx:vertx-core.
Affected Packages
io.vertx:vertx-core (JAVA):
Affected version(s) =5.2.0 <5.2.1Fix Suggestion:
Update to version 5.2.1io.vertx:vertx-core (JAVA):
Affected version(s) >=5.0.0 <5.1.9Fix Suggestion:
Update to version 5.1.9io.vertx:vertx-core (JAVA):
Affected version(s) >=4.0.0 <4.5.35Fix Suggestion:
Update to version 4.5.35Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Allocation of Resources Without Limits or Throttling
EPSS
Base Score:
0.26