Bug 2509521 (CVE-2026-12932)

Summary: CVE-2026-12932 openvpn: OpenVPN: Denial of Service due to memory leak in tls-crypt-v2 client key extraction
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in OpenVPN. A memory leak in the `tls-crypt-v2` client key extraction allows remote attackers to cause a denial of service (DoS). By sending a flood of specially crafted packets, an attacker can exhaust the system's memory, making the service unavailable.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2509672, 2509673    
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Description OSIDB Bzimport 2026-07-30 17:02:10 UTC
A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets