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    CVE-2023-23457

    A Segmentation fault was found in UPX in PackLinuxElf64::invert_pt_dynamic() in p_lx_elf.cpp. An attacker with a crafted input file allows invalid memory address access that could lead to a denial of service.

    Published:Jan 12, 2023
    Last Modified:Apr 11, 2025
    EPS:Jan 12, 2023
    EPSS Score:0.00022
    CVSS Score:5.3

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Upx
    Product
    Upx

    Exploits

    https://github.com/upx/upx/issues/631https://github.com/upx/upx/issues/631

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    References

    https://bugzilla.redhat.com/show_bug.cgi?id=2160382
    https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860
    https://github.com/upx/upx/issues/631
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/
    https://bugzilla.redhat.com/show_bug.cgi?id=2160382
    https://github.com/upx/upx/commit/779b648c5f6aa9b33f4728f79dd4d0efec0bf860
    https://github.com/upx/upx/issues/631
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EL3BVKIGG3SH6I3KPOYQAWCBD4UMPOPI/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGEP3FBNRZXGLIA2B2ICMB32JVMPREFZ/

    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