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    CVE-2026-121961

    FreeRDP before 3.32.2 contains a use-after-free vulnerability in the freerdp-proxy DRDYNVC tracker when intercepting the drdynvc channel. A malicious target server can repeatedly send CREATE_REQUEST_PDU for an active channel id, racing front DATA handling to free a borrowed context and crash the proxy process.

    Published:Nov 4, 2026
    Last Modified:Nov 4, 2026
    EPS:Nov 4, 2026
    EPSS Score:
    CVSS Score:5.9

    Affected Products

    Vendor
    Freerdp
    Product
    Freerdp

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-121964 (CVSS 8.7) — FreeRDP before 3.32.2 contains a heap-based buffer overflow in the RD Gateway RPC client, where rpc_client_rec…
    CVE-2026-121963 (CVSS 8.2) — FreeRDP before 3.32.2 contains a use-after-free vulnerability in the asynchronous dynamic rdpsnd channel that …
    CVE-2026-121962 (CVSS 7.2) — FreeRDP before 3.32.2 contains a heap buffer overflow in transport_default_read_pdu when handling partial Earl…
    CVE-2026-121960 (CVSS 8.7) — FreeRDP before 3.32.2 contains a denial of service vulnerability in the NLA-enabled shadow server when a CredS…
    CVE-2026-121959 (CVSS 7.1) — FreeRDP before 3.32.2 contains an infinite loop vulnerability in websocket_context_read that fails to handle a…
    CVE-2026-121958 (CVSS 8.7) — FreeRDP through 3.32.1 has a heap out-of-bounds write in the RDPGFX client because the delete_surface callback…
    CVE-2026-121957 (CVSS 8.7) — FreeRDP before 3.32.2 contains a use-after-free vulnerability that allows malicious RDP servers to corrupt cli…
    CVE-2026-121956 (CVSS 8.7) — FreeRDP before 3.32.2 contains a double free in the WinPR Kerberos SSPI retrieveSomeTgt function, which instal…
    CVE-2026-121955 (CVSS 8.7) — FreeRDP before 3.32.2 contains a use-after-free vulnerability in Emulate_SCardReleaseContext that frees the em…
    CVE-2026-121954 (CVSS 7.1) — FreeRDP before 3.32.2 has a heap out-of-bounds write in the planar codec because freerdp_bitmap_planar_context…

    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
    CVE-2026-121961 — Freerdp (High 8.2) | CVE-DB