Medium severity6.2NVD Advisory· Published May 18, 2026· Updated May 18, 2026
CVE-2026-38719
CVE-2026-38719
Description
OpENer v2.3-558-g1e99582 contains an out-of-bounds read vulnerability in the Common Packet Format (CPF) parser, specifically in CreateCommonPacketFormatStructure() in source/src/enet_encap/cpf.c. A crafted ENIP/CPF message can supply an attacker-controlled item_count value that is not consistently validated against the remaining data_length of the CPF slice
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Affected products
1- Range: = v2.3-558-g1e99582
Patches
Vulnerability mechanics
References
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