Bug 2548773 (CVE-2026-75351)

Summary: CVE-2026-75351 opener: OpENer: Denial of Service via out-of-bounds read in EtherNet/IP connection-path parser
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in OpENer. An out-of-bounds read vulnerability in the server-side EtherNet/IP ForwardOpen connection-path parser allows a remote attacker to trigger an application crash. By sending a specially crafted connection request, an attacker can exploit this flaw to cause a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-10-09 18:42:12 UTC
OpENer v2.3/commit 76b95cf, contains an out-of-bounds read in the server-side EtherNet/IP ForwardOpen connection-path parser. This allows a remote attacker to cause a denial of service.