Bug 2509530 (CVE-2026-13117)

Summary: CVE-2026-13117 OpenVPN: OpenVPN: Denial of service or memory leakage via incomplete TLS guard
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in OpenVPN. An incomplete guard allows remote authenticated peers to trigger a use-after-free vulnerability during TLS (Transport Layer Security) session promotion. This can lead to a denial of service, making the service unavailable, or memory leakage, which could potentially expose sensitive information.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2509666, 2509667    
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Description OSIDB Bzimport 2026-07-30 17:02:40 UTC
An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage