almalinux/libwinpr-devel

Vulnerabilities (91)

• CVE-2026-55827HigJul 10, 2026
  affected < 2:3.10.3-12.el10_2.7fixed 2:3.10.3-12.el10_2.7

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.27.1, FreeRDP clients launched with the non-default /cache:codec:rfx option pass desktop stride and height to RemoteFX decoding for Cache Bitmap V3 data while allocating bitmap->data only for the smaller

• CVE-2026-45700CriMay 29, 2026
  affected < 2:3.10.3-12.el10_2.6fixed 2:3.10.3-12.el10_2.6

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP's planar bitmap decoder has an out-of-bounds heap write when decoding RLE planar data. In libfreerdp/codec/planar.c, freerdp_bitmap_decompress_planar() validates the X destination coordinate

• CVE-2026-44422HigMay 29, 2026
  affected < 2:3.10.3-12.el10_2.6fixed 2:3.10.3-12.el10_2.6

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, FreeRDP's RDPEAR NDR parser accepts one non-null NDR pointer ref-id for multiple logical pointer fields without tracking the pointed object's expected NDR type or ownership. When the same ref-id is

• CVE-2026-44421HigMay 29, 2026
  affected < 2:3.10.3-12.el10_2.6fixed 2:3.10.3-12.el10_2.6

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP server can trigger a heap-buffer-overflow write in the FreeRDP client by sending crafted RDPGFX PDUs. The bug is in gdi_CacheToSurface: it validates a destination rectangle that is c

• CVE-2026-44420HigMay 29, 2026
  affected < 2:3.10.3-12.el10_2.6fixed 2:3.10.3-12.el10_2.6

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.26.0, a malicious RDP client can trigger a heap-buffer-overflow write in FreeRDP's server-side clipboard (cliprdr) channel by sending a CB_CLIP_CAPS PDU with a too-small capabilitySetLength. This can cras

• CVE-2026-40033HigMay 26, 2026
  affected < 2:3.10.3-12.el10_2.6fixed 2:3.10.3-12.el10_2.6

  FreeRDP before 3.26.0 contains a heap-buffer-overflow vulnerability in gdi_CacheToSurface that allows remote attackers to write out-of-bounds heap memory. The vulnerability occurs because rectangle validation clamps coordinates to UINT16_MAX but performs copy operations using unc

• CVE-2026-33987HigMar 30, 2026
  affected < 2:3.10.3-5.el10_1.8fixed 2:3.10.3-5.el10_1.8

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in persistent_cache_read_entry_v3() in libfreerdp/cache/persistent.c, persistent->bmpSize is updated before winpr_aligned_recalloc(). If realloc fails, bmpSize is inflated while bmpData poin

• CVE-2026-33985MedMar 30, 2026
  affected < 2:3.10.3-5.el10_1.8fixed 2:3.10.3-5.el10_1.8

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, pixel data from adjacent heap memory is rendered to screen, potentially leaking sensitive data to the attacker. This issue has been patched in version 3.24.2.

• CVE-2026-33984HigMar 30, 2026
  affected < 2:2.11.7-1.el9_7.6fixed 2:2.11.7-1.el9_7.6

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, in resize_vbar_entry() in libfreerdp/codec/clear.c, vBarEntry->size is updated to vBarEntry->count before the winpr_aligned_recalloc() call. If realloc fails, size is inflated while pixels s

• CVE-2026-33983MedMar 30, 2026
  affected < 2:2.11.7-1.el9_7.6fixed 2:2.11.7-1.el9_7.6

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, progressive_decompress_tile_upgrade() detects a mismatch via progressive_rfx_quant_cmp_equal() but only emits WLog_WARN, execution continues. The wrapped value (247) is used as a shift expon

• CVE-2026-33982HigMar 30, 2026
  affected < 2:3.10.3-5.el10_1.8fixed 2:3.10.3-5.el10_1.8

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, there is a heap-buffer-overflow READ vulnerability at 24 bytes before the allocation, in winpr_aligned_offset_recalloc(). This issue has been patched in version 3.24.2.

• CVE-2026-31885MedMar 13, 2026
  affected < 2:3.10.3-5.el10_1.8fixed 2:3.10.3-5.el10_1.8

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in MS-ADPCM and IMA-ADPCM decoders due to unchecked predictor and step_index values from input data. This vulnerability is fixed in 3.24.0.

• CVE-2026-31884MedMar 13, 2026
  affected < 2:3.10.3-5.el10_1.8fixed 2:3.10.3-5.el10_1.8

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, division by zero in MS-ADPCM and IMA-ADPCM decoders when nBlockAlign is 0, leading to a crash. In libfreerdp/codec/dsp.c, both ADPCM decoders use size % block_size where block_size = context->common

• CVE-2026-31883MedMar 13, 2026
  affected < 2:3.10.3-5.el10_1.8fixed 2:3.10.3-5.el10_1.8

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a size_t underflow in the IMA-ADPCM and MS-ADPCM audio decoders leads to heap-buffer-overflow write via the RDPSND audio channel. In libfreerdp/codec/dsp.c, the IMA-ADPCM and MS-ADPCM decoders subtr

• CVE-2026-31806CriMar 13, 2026
  affected < 2:2.11.7-1.el9_7.5fixed 2:2.11.7-1.el9_7.5

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, the gdi_surface_bits() function processes SURFACE_BITS_COMMAND messages sent by the RDP server. When the command is handled using NSCodec, the bmp.width and bmp.height values provided by the server

• CVE-2026-29775MedMar 13, 2026
  affected < 2:3.10.3-5.el10_1.8fixed 2:3.10.3-5.el10_1.8

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, a client-side heap out-of-bounds read/write occurs in FreeRDP's bitmap cache subsystem due to an off-by-one boundary check in bitmap_cache_put. A malicious server can send a CACHE_BITMAP_ORDER (Rev1

• CVE-2026-27951MedFeb 25, 2026
  affected < 2:2.11.7-9.el8_10fixed 2:2.11.7-9.el8_10

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only wor

• CVE-2026-26986HigFeb 25, 2026
  affected < 2:3.10.3-5.el10_1.8fixed 2:3.10.3-5.el10_1.8

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, `rail_window_free` dereferences a freed `xfAppWindow` pointer during `HashTable_Free` cleanup because `xf_rail_window_common` calls `free(appWindow)` on title allocation failure without firs

• CVE-2026-26965HigFeb 25, 2026
  affected < 2:3.10.3-5.el10_1.3fixed 2:3.10.3-5.el10_1.3

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, in the RLE planar decode path, `planar_decompress_plane_rle()` writes into `pDstData` at `((nYDst+y) * nDstStep) + (4*nXDst) + nChannel` without verifying that `(nYDst+nSrcHeight)` fits in t

• CVE-2026-26955HigFeb 25, 2026
  affected < 2:3.10.3-5.el10_1.3fixed 2:3.10.3-5.el10_1.3

  FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, a malicious RDP server can trigger a heap buffer overflow in FreeRDP clients using the GDI surface pipeline (e.g., `xfreerdp`) by sending an RDPGFX ClearCodec surface command with an out-of-