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    CVE-2023-2603

    A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overflow if the input string is close to 4GiB.

    Published:May 16, 2023
    Last Modified:Dec 2, 2025
    EPS:Jun 6, 2023
    EPSS Score:0.01146
    CVSS Score:7.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Libcap Project
    Product
    Libcap
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Eus

    Exploits

    https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdfhttps://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdfhttps://github.com/Pazhanivelmani/external_libcap-Android10_r33_CVE-2023-2603

    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

    https://bugzilla.redhat.com/show_bug.cgi?id=2209113
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ57ICDLMVYEREXQGZWL4GWI7FRJCRQT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPEGCFMCN5KGCFX5Y2VTKR732TTD4ADW/
    https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdf
    https://bugzilla.redhat.com/show_bug.cgi?id=2209113
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ57ICDLMVYEREXQGZWL4GWI7FRJCRQT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPEGCFMCN5KGCFX5Y2VTKR732TTD4ADW/
    https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdf

    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