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    CVE-2023-41913

    strongSwan before 5.9.12 has a buffer overflow and possible unauthenticated remote code execution via a DH public value that exceeds the internal buffer in charon-tkm's DH proxy. The earliest affected version is 5.3.0. An attack can occur via a crafted IKE_SA_INIT message.

    Published:Dec 7, 2023
    Last Modified:Dec 18, 2025
    EPS:Dec 7, 2023
    EPSS Score:0.05743
    CVSS Score:9.8

    Affected Products

    Vendor
    Strongswan
    Product
    Strongswan

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-78130 (CVSS 7.5) — strongSwan 4.2.0 through 6.0.7 has a NULL pointer dereference in the x509 plugin's attribute certificate parse…
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    CVE-2026-78127 (CVSS 3.7) — libcharon in strongSwan 4.1.2 through 6.0.7 has a missing release of memory after its effective lifetime in th…
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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