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    CVE-2024-32040

    FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients that use a version of FreeRDP prior to 3.5.0 or 2.11.6 and have connections to servers using the `NSC` codec are vulnerable to integer underflow. Versions 3.5.0 and 2.11.6 patch the issue. As a workaround, do not use the NSC codec (e.g. use `-nsc`).

    Published:Apr 22, 2024
    Last Modified:Nov 3, 2025
    EPS:Apr 22, 2024
    EPSS Score:0.00572
    CVSS Score:8.1

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Freerdp
    Product
    Freerdp
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    https://github.com/FreeRDP/FreeRDP/pull/10077
    https://github.com/FreeRDP/FreeRDP/releases/tag/2.11.6
    https://github.com/FreeRDP/FreeRDP/releases/tag/3.5.0
    https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-23c5-cp23-h2h5
    https://lists.fedoraproject.org/archives/list/[email protected]/message/5JL476WVJSIE7SBUKVJRVA6A52V2HOLZ/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/7SIS6NUNLUBOV4CPCSWKDE6T6C2W3WTR/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/PX3U6YPZQ7PEJBVKSBUOLWVH7DHROHY5/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/ZKI4UISUXYNBPN4K6TIQKDRTIJ6CDCKJ/
    https://github.com/FreeRDP/FreeRDP/pull/10077
    https://github.com/FreeRDP/FreeRDP/releases/tag/2.11.6
    https://github.com/FreeRDP/FreeRDP/releases/tag/3.5.0
    https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-23c5-cp23-h2h5
    https://lists.debian.org/debian-lts-announce/2025/02/msg00016.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/5JL476WVJSIE7SBUKVJRVA6A52V2HOLZ/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/7SIS6NUNLUBOV4CPCSWKDE6T6C2W3WTR/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/PX3U6YPZQ7PEJBVKSBUOLWVH7DHROHY5/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/ZKI4UISUXYNBPN4K6TIQKDRTIJ6CDCKJ/

    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