Medium severity5.9NVD Advisory· Published Dec 1, 2025· Updated Apr 15, 2026
CVE-2025-41739
CVE-2025-41739
Description
An unauthenticated remote attacker, who beats a race condition, can exploit a flaw in the communication servers of the CODESYS Control runtime system on Linux and QNX to trigger an out-of-bounds read via crafted socket communication, potentially causing a denial of service.
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Affected products
1Patches
Vulnerability mechanics
References
1News mentions
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