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Sicherheitslücken in freerdp3

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für freerdp3: 69. Davon im KEV-Katalog: 0.

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Sicherheitslücken: 205

  1. CVE-2026-114047

    Hoch · CVSS 7.6EPSS 0,16%Korrektur verfügbar

    FreeRDP 2.0.0 before 3.32.0 Proxy Improper TLS Certificate Validation

    FreeRDP from 2.0.0 before 3.32.0 contains an improper certificate validation vulnerability in its proxy that accepts untrusted target TLS certificates when no verification module is configured. Network-positioned attackers can intercept the proxy's outbound connection and present a self-signed, wrong-hostname certificate to impersonate the RDP target and receive proxied session data.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  2. CVE-2026-114046

    Hoch · CVSS 7.1EPSS 0,25%Korrektur verfügbar

    FreeRDP 3.0.0 before 3.32.0 null-pointer dereference via emulated smartcard

    FreeRDP 3.0.0 before 3.32.0 contains a null-pointer dereference in the smartcard emulation backend that accepts a null per-reader name in SCardGetStatusChange requests. A malicious RDP server can send a crafted reader-state entry with a null szReader, causing strcmp or _wcscmp to crash the client process.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  3. CVE-2026-114045

    Hoch · CVSS 8.7EPSS 0,48%Korrektur verfügbar

    FreeRDP before 3.32.1 Heap Buffer Overflow via rdpsnd_server_select_format

    FreeRDP before 3.32.1 contains a heap-based buffer overflow in the server-side rdpsnd channel because an integer wraparound in rdpsnd_server_select_format() DVI_ADPCM block-alignment arithmetic bypasses validation. A malicious RDP client can send two SNDC_FORMATS PDUs with an nBlockAlign too small for nChannels, causing an unbounded heap write during server audio playback, potentially enabling code execution.

    • Auf 3.32.1+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  4. CVE-2026-114044

    Mittel · CVSS 6.9EPSS 0,25%Korrektur verfügbar

    FreeRDP before 3.32.1 Android Client Heap OOB Read via Graphics Pipeline

    FreeRDP before 3.32.1 contains a heap out-of-bounds read vulnerability in the Android client that allows malicious RDP servers to read beyond surface buffers by supplying unvalidated mappedWidth and mappedHeight values. Attackers can send a crafted RDPGFX_MAP_SURFACE_TO_WINDOW_PDU with oversized dimensions, causing android_UpdateWindowFromSurface to copy heap memory beyond the allocation, leading to crashes or memory disclosure.

    • Auf 3.32.1+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  5. CVE-2026-114043

    Hoch · CVSS 7.1EPSS 0,28%Korrektur verfügbar

    Vulnerability in FreeRDP

    FreeRDP before 3.32.1 contains a heap-based out-of-bounds read in WinPR's clipboard PNG-to-CF_DIB synthesis because winpr_read_png_from_buffer() allocates a bit-packed buffer for PNGs with bit depth below 8, while winpr_bitmap_write_buffer() copies rows assuming one byte per pixel. A malicious RDP server can send a crafted low-bit-depth PNG clipboard payload that, when pasted by the victim, discloses megabytes of heap memory.

    • Auf 3.32.1+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  6. CVE-2026-114042

    Hoch · CVSS 7.1EPSS 0,25%Korrektur verfügbar

    FreeRDP 3.32.0 Use-After-Free via drdynvc Virtual Channel PDU

    FreeRDP 3.32.0 contains a use-after-free vulnerability in the drdynvc channel that frees a pool-owned stream with the owned-stream deallocator when totalLength is smaller than the chunk size. A malicious RDP server can send a single well-formed Virtual Channel PDU to trigger the free and crash the client during teardown.

    • Auf 3.32.1+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  7. CVE-2026-114041

    Mittel · CVSS 6.9EPSS 0,32%Korrektur verfügbar

    FreeRDP before 3.32.1 Heap Out-of-Bounds Read via RD Gateway Consent Message

    FreeRDP before 3.32.1 on Windows contains a heap out-of-bounds read in client_cli_present_gateway_message that passes a byte count as wide-character printf precision. A malicious RD Gateway can send pre-authentication consent or service messages, causing the client to read twice the buffer size, leaking heap memory or crashing.

    • Auf 3.32.1+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  8. CVE-2026-111881

    Hoch · CVSS 7.2EPSS 0,2%Korrektur verfügbar

    FreeRDP 3.14.1 before 3.32.0 Integer Underflow in BMP Writer via Clipboard

    FreeRDP from 3.14.1 before 3.32.0 contains an integer underflow in the WinPR BMP writer, where a mismatched stride calculation passes SIZE_MAX - 3 to Stream_Zero for sub-byte images. A malicious RDP clipboard peer can return a crafted 1-bpp BMP processed by clipboard_synthesize_image_format_to_bmp for CF_DIB/CF_DIBV5, crashing the client or causing an out-of-bounds write.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  9. CVE-2026-111880

    Hoch · CVSS 8.3EPSS 0,32%Korrektur verfügbar

    FreeRDP 2.0.0 before 3.32.0 Heap Out-of-Bounds Write via NTLM MIC Offset

    FreeRDP versions from 2.0.0 before 3.32.0 contain a heap out-of-bounds write in the server hash-callback NTLM path that fails to validate the MIC offset. Unauthenticated attackers can send a crafted AUTHENTICATE_MESSAGE with a backward session-key offset and MIC offset to write 16 zero bytes beyond the allocation.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  10. CVE-2026-111382

    Hoch · CVSS 8.7EPSS 0,31%Korrektur verfügbar

    FreeRDP before 3.32.0 Heap Out-of-Bounds Write in AVC444 YUV444 Combine

    FreeRDP before 3.32.0 contains a client-side heap out-of-bounds write vulnerability in general_LumaToYUV444 and general_ChromaV2ToYUV444 that allows malicious RDP servers to corrupt client memory. Attackers can send RDPGFX AVC444 or AVC444v2 frames with odd-height region rects ending at surface height to write past U/V planes, enabling heap corruption and potential code execution.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  11. CVE-2026-111381

    Hoch · CVSS 7EPSS 0,13%Korrektur verfügbar

    FreeRDP before 3.32.0 Heap Buffer Overflow via Persistent Cache v2 Parser

    FreeRDP before 3.32.0 contains a heap buffer overflow vulnerability in persistent_cache_read_entry_v2 that allows local attackers to corrupt heap memory via integer wraparound in bitmap size calculation. Attackers can craft a persistent cache v2 file with oversized width and height values that causes mismatched entry size accounting and fixed 16 KiB reads, leading to crashes or code execution when loaded.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  12. CVE-2026-111380

    Hoch · CVSS 8.7EPSS 0,26%Korrektur verfügbar

    FreeRDP 3.29.0 before 3.32.0 Heap Overflow via audin Apple Backends

    FreeRDP from 3.29.0 before 3.32.0 contains an integer overflow in the Apple audin backends (audin_mac.m, audin_ios.m), which compute the audio queue buffer size as FramesPerPacket * 2 * nChannels in UINT32 arithmetic, bypassing the CVE-2026-91962 fix. A malicious RDP server can send FramesPerPacket of 2^30 in the audin Open PDU to wrap the multiplication, causing undersized AudioQueueAllocateBuffer allocations and a heap out-of-bounds write in macOS and iOS clients.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  13. CVE-2026-111379

    Hoch · CVSS 7EPSS 0,14%Korrektur verfügbar

    FreeRDP before 3.32.0 Heap Buffer Overflow via persistent_cache_read_entry_v3

    FreeRDP before 3.32.0 contains a heap buffer overflow vulnerability in persistent_cache_read_entry_v3 that allows local attackers to corrupt memory by supplying a crafted v3 persistent cache file. Attackers can set large width and height values that wrap the size calculation in persist_cache_get_data, causing fread to overflow an undersized buffer and potentially execute code.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  14. CVE-2026-111378

    Hoch · CVSS 8.7EPSS 0,35%Korrektur verfügbar

    FreeRDP 3.0.0 before 3.32.0 Unauthenticated Memory Exhaustion via NLA Frame Parser

    FreeRDP from 3.0.0 before 3.32.0 contains an uncontrolled resource consumption vulnerability in parse_nla_mode_pdu that allows unauthenticated attackers to exhaust server memory. Attackers can complete TLS and stream bytes not beginning with the DER SEQUENCE tag 0x30, causing unbounded receive buffer growth before NLA authentication.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  15. CVE-2026-111377

    Hoch · CVSS 7.1EPSS 0,27%Korrektur verfügbar

    FreeRDP 2.0.0 before 3.32.0 Memory Exhaustion via Static Channel Reassembly

    FreeRDP from 2.0.0 before 3.32.0 contains an unbounded reassembly vulnerability in WTSProcessChannelData that fails to enforce cumulative fragment limits. Authenticated clients can start a static virtual channel message, withhold the LAST flag, and send endless fragments to exhaust server memory.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  16. CVE-2026-111376

    Niedrig · CVSS 2.3EPSS 0,14%Korrektur verfügbar

    FreeRDP 3.30.0 before 3.32.0 Heap Over-Read via Windows cliprdr FILECONTENTS_SIZE

    FreeRDP from 3.30.0 before 3.32.0 contains a heap out-of-bounds read vulnerability in the Windows client's CliprdrStream_New that allows malicious RDP servers to trigger invalid memory reads via short clipboard responses. Attackers can answer a FILECONTENTS_SIZE request with a cbRequested of fewer than eight bytes when a user pastes a remote file, crashing the client or corrupting the stream size.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  17. CVE-2026-111375

    Mittel · CVSS 6.3EPSS 0,26%Korrektur verfügbar

    FreeRDP 3.0.0 before 3.32.0 Out-of-Bounds Read via RAIL Window Title

    FreeRDP from 3.0.0 before 3.32.0 contains an out-of-bounds read vulnerability in the Windows RAIL client that allows malicious RDP servers to trigger heap over-reads by sending non-NUL-terminated window titles. Attackers can send a full-length WINDOW_ORDER_FIELD_TITLE update that wf_rail_window_common passes to SetWindowTextW, corrupting titles or crashing the client.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  18. CVE-2026-111374

    Mittel · CVSS 6EPSS 0,26%Korrektur verfügbar

    FreeRDP from 3.30.0 before 3.32.0 Resource Exhaustion via rdpecam StartStreamsRequest

    FreeRDP from 3.30.0 before 3.32.0 contains a resource exhaustion vulnerability in the rdpecam client that lets malicious RDP servers request unadvertised camera media types. Attackers can send a StartStreamsRequest with oversized dimensions to force large pending-sample allocations and reconfigure the local camera through the HAL.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  19. CVE-2026-111373

    Mittel · CVSS 6.9EPSS 0,28%Korrektur verfügbar

    FreeRDP before 3.32.0 NULL Dereference via Zero-Length WebSocket Ping

    FreeRDP before 3.32.0 contains a NULL pointer dereference vulnerability in the websocket transport that allows a malicious gateway to crash clients by sending zero-length pings. When the payload length is zero, websocket_reply_pong passes a nullptr stream to websocket_reply_close, triggering an assertion failure that terminates the client process and causes denial of service.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert
  20. CVE-2026-110839

    Hoch · CVSS 7.1EPSS 0,22%Korrektur verfügbar

    FreeRDP 3.3.0 before 3.32.0 Heap Out-of-Bounds Write via Grayscale JPEG Clipboard Data

    FreeRDP 3.3.0 before 3.32.0, when built with WINPR_UTILS_IMAGE_JPEG=ON, has a heap-based out-of-bounds write in winpr_convert_from_jpeg because grayscale JPEG buffers are sized from one input component rather than three BGR output components. A malicious RDP server can offer a grayscale JPEG via clipboard redirection, corrupting client memory and crashing it when the item is pasted as CF_DIB bitmap data.

    • Auf 3.32.0+dfsg-1 aktualisieren
    Veröffentlicht Aktualisiert

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