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    CVE-2025-12106

    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

    Published:Dec 1, 2025
    Last Modified:Dec 30, 2025
    EPS:Dec 1, 2025
    EPSS Score:0.00072
    CVSS Score:9.1

    Affected Products

    Vendor
    Openvpn
    Product
    Openvpn

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-126 Buffer Over-read

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2026-78221 (CVSS 5.9) — An incorrect buffer size calculation in the Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 al…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High