CVE-2026-103223
CVE-2026-103223
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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 PostgreSQL message decoder reads the 4-byte message length field from the PostgreSQL wire protocol without any maximum validation. A malicious, compromised, or man-in-the-middle PostgreSQL server can send a message header with the length field set to an extremely large value (up to Integer.MAX_VALUE), causing the decoder to accumulate subsequent TCP data into a composite buffer without bound, leading to unbounded memory allocation on the client and an out-of-memory crash. This occurs before authentication completes. The impacted component is io.vertx:vertx-pg-client.
CVSS 8.2 · Élevée · EPSS 0,3%
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- Mise à jour
Produits et versions concernés
eclipse vert.x
- Versions du logiciel
- ≥ 4.0.0, ≤ 4.5.34: Concernée (semver)
- ≥ 5.0.0, ≤ 5.0.12: Concernée (semver)
- ≥ 5.1.0, ≤ 5.1.9: Concernée (semver)
- 5.2.0: Concernée (semver)
Aucun correctif publié