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    CVE-2016-7944

    Integer overflow in X.org libXfixes before 5.0.3 on 32-bit platforms might allow remote X servers to gain privileges via a length value of INT_MAX, which triggers the client to stop reading data and get out of sync.

    Published:Sep 25, 2016
    Last Modified:Apr 12, 2025
    EPS:Dec 13, 2016
    EPSS Score:0.00601
    CVSS Score:9.8

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    X.org
    Product
    Libxfixes

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    References

    http://www.openwall.com/lists/oss-security/2016/10/04/2
    http://www.openwall.com/lists/oss-security/2016/10/04/4
    http://www.securityfocus.com/bid/93361
    http://www.securitytracker.com/id/1036945
    https://cgit.freedesktop.org/xorg/lib/libXfixes/commit/?id=61c1039ee23a2d1de712843bed3480654d7ef42e
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4CE6VJWBMOWLSCH4OP4TAEPIA7NP53ON/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GE43MDCRGS4R7MRRZNVSLREHRLU5OHCV/
    https://lists.x.org/archives/xorg-announce/2016-October/002720.html
    https://security.gentoo.org/glsa/201704-03
    http://www.openwall.com/lists/oss-security/2016/10/04/2
    http://www.openwall.com/lists/oss-security/2016/10/04/4
    http://www.securityfocus.com/bid/93361
    http://www.securitytracker.com/id/1036945
    https://cgit.freedesktop.org/xorg/lib/libXfixes/commit/?id=61c1039ee23a2d1de712843bed3480654d7ef42e
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4CE6VJWBMOWLSCH4OP4TAEPIA7NP53ON/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GE43MDCRGS4R7MRRZNVSLREHRLU5OHCV/
    https://lists.x.org/archives/xorg-announce/2016-October/002720.html
    https://security.gentoo.org/glsa/201704-03

    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