Bug 2497374 (CVE-2026-13122)

Summary: CVE-2026-13122 openvpn: From CVEorg collector
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. A remote attacker can exploit this vulnerability by sending a malformed authentication token. This can trigger a reachable assertion when external authentication (external-auth) is enabled, leading to a Denial of Service (DoS) condition for the OpenVPN server.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2497687, 2497688    
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Description OSIDB Bzimport 2026-07-06 16:01:55 UTC
OpenVPN version 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled