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CVE-2026-76992

Uncontrolled Memory Allocation in CODESYS Gateway Client

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 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Codesys
Products
Codesys Development System 3 Codesys Edge Gateway For Linux Codesys Edge Gateway For Windows and 12 more
CVE-2026-79625

Improper Synchronization in Monitoring in CODESYS Control Runtime

Affected products do not properly synchronize access to their monitoring functionality. When multiple clients send concurrent requests, this may lead to incorrect reads or writes, or to corruption of internal memory structures. An authenticated remote attacker with monitoring access can exploit this issue to cause incorrect data processing or a denial-of-service condition.

CVSS 4.0 · 7.2 High EPSS < 1% KEV · Not listed
Vendors
Codesys
Products
Control For Beaglebone Sl Control For Empc-a/imx6 Sl Control For Iot2000 Sl and 15 more