Bug 2417983 (CVE-2025-12106)

Summary: CVE-2025-12106 openvpn: OpenVPN heap buffer overflow
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: urgent Docs Contact:
Priority: urgent    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
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A heap based buffer overflow flaw has been discovered in OpenVPN. When parsing ipv6 addresses there missing type check which could cause a buffer over-read when parsing routes or endpoints.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Depends On: 2418134, 2418135, 2418136, 2418137, 2418138    
Bug Blocks:    

Description OSIDB Bzimport 2025-12-01 13:01:19 UTC
Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses