CVE-2026-76992

HIGH7.5

Published 2026-09-30 · Source info@cert.vde.com

Description

The CODESYS Gateway Client allocates memory based on a size field in a gateway response without enforcing an appropriate upper limit. An unauthenticated remote attacker controlling a malicious gateway can exploit this behavior to trigger excessive memory consumption, resulting in a denial-of-service condition thus leading to a total loss of availablity.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE-770

References

https://www.certvde.com/en/advisories/VDE-2026-094/

View on NVD

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