Threats Tagged 'ghsa-mxgf-c753-mmc9'
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Threats Tagged 'ghsa-mxgf-c753-mmc9'
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Eclipse Vert.x DB2 client versions 4.0.0 through 4.5.34, 5.0.0 through 5.0.12, 5.1.0 through 5.1.9, and 5.2.0 are vulnerable to unsafe deserialization of User Defined Type (UDT) column data in the DRDA protocol. This occurs because the client deserializes data using ObjectInputStream.readObject() without any filtering or class allowlisting. Although legitimate DB2 servers do not send this UDT type, a malicious or man-in-the-middle DRDA server can exploit this to trigger deserialization of attacker-controlled data, potentially leading to remote code execution if a suitable gadget chain is present, or denial of service otherwise. TLS is disabled by default, increasing the risk of man-in-the-middle attacks. Join the discussion | GCVE Database | 10/15/2026, 09:30:34 UTC Added: 10/20/2026, 22:33:10 UTC |
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