CVE-2026-38719 Memory corruption in n/a
A crafted ENIP/CPF message can trigger an out-of-bounds read in OpENer, potentially causing denial of service or information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-38719?
CVE-2026-38719 is a medium-severity memory corruption vulnerability in n/a, published on 18 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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
Weakness: CWE-125
Which versions are affected by CVE-2026-38719?
How do I fix CVE-2026-38719?
No fix has been published for CVE-2026-38719 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-38719 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-38719 exists.
Sources
Also known as GHSA-cr85-g5v9-2m32.