CVE Watch20 oct 2026

CVE-2026-102463

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 binary array decoder in vertx-pg-client

CVSS

5.9

Medio

EPSS

0.3%

p19

KEV

—

Exploit Today

0-100

Publicado: 15 oct 2026 · Última mod.: 20 oct 2026 · CWE-789

EPSS · 30d

0.3%EPSS · 30 días0.3%

2026-10-152026-10-20

Descripción técnica

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 binary array decoder in vertx-pg-client (DataTypeCodec.binaryDecodeArray) allocates a Java array sized by a server-declared 32-bit dimension count with no upper bound. A malicious or compromised PostgreSQL server, or an on-path attacker intercepting an unencrypted connection, can send a crafted DataRow message with an excessively large array dimension value, causing the client to attempt a multi-gigabyte heap allocation and crash with an OutOfMemoryError. The impacted component is io.vertx:vertx-pg-client.

Referencias oficiales

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