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    CVE-2023-45235

    EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

    Published:Jan 16, 2024
    Last Modified:Nov 4, 2025
    EPS:Jan 16, 2024
    EPSS Score:0.00313
    CVSS Score:8.3

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Tianocore
    Product
    Edk2

    Exploits

    No exploit reference

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    References

    http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
    http://www.openwall.com/lists/oss-security/2024/01/16/2
    https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
    https://lists.fedoraproject.org/archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
    https://security.netapp.com/advisory/ntap-20240307-0011/
    http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
    http://www.openwall.com/lists/oss-security/2024/01/16/2
    https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
    https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
    https://security.netapp.com/advisory/ntap-20240307-0011/
    https://www.kb.cert.org/vuls/id/132380

    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