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CVE-2026-33982

Medium priority

Some fixes available 1 of 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...

3 affected packages

freerdp, freerdp2, freerdp3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Not in release — Needs evaluation
freerdp2 Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Not affected Fixed Not in release — —
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CVE-2026-33977

Medium priority

Some fixes available 1 of 8

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, a malicious RDP server can crash the FreeRDP client by sending audio data in IMA ADPCM format with an invalid initial step index value (>=...

3 affected packages

freerdp, freerdp2, freerdp3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Not in release — Needs evaluation
freerdp2 Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Not affected Fixed Not in release — —
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CVE-2026-33952

Medium priority

Some fixes available 1 of 8

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.24.2, an unvalidated auth_length field read from the network triggers a WINPR_ASSERT() failure in rts_read_auth_verifier_no_checks(), causing any...

3 affected packages

freerdp, freerdp2, freerdp3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Not in release — Needs evaluation
freerdp2 Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Not affected Fixed Not in release — —
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CVE-2026-31897

Medium priority

Some fixes available 1 of 8

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, there is an out-of-bounds read in freerdp_bitmap_decompress_planar when SrcSize is 0. The function dereferences *srcp (which points to pSrcData)...

3 affected packages

freerdp, freerdp2, freerdp3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Not in release — Needs evaluation
freerdp2 Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Not affected Fixed Not in release — —
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CVE-2026-31885

Medium priority

Some fixes available 1 of 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....

3 affected packages

freerdp, freerdp2, freerdp3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Not in release — Needs evaluation
freerdp2 Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Not affected Fixed Not in release — —
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CVE-2026-31884

Medium priority

Some fixes available 1 of 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...

3 affected packages

freerdp, freerdp2, freerdp3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Not in release — Needs evaluation
freerdp2 Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Not affected Fixed Not in release — —
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CVE-2026-31883

Medium priority

Some fixes available 1 of 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....

3 affected packages

freerdp, freerdp2, freerdp3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Not in release — Needs evaluation
freerdp2 Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Not affected Fixed Not in release — —
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CVE-2026-31806

Medium priority

Some fixes available 1 of 8

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...

3 affected packages

freerdp, freerdp2, freerdp3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Not in release — Needs evaluation
freerdp2 Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Not affected Fixed Not in release — —
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CVE-2026-29776

Medium priority

Some fixes available 1 of 8

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.24.0, Integer Underflow in update_read_cache_bitmap_order Function of FreeRDP's Core Library This vulnerability is fixed in 3.24.0.

3 affected packages

freerdp, freerdp2, freerdp3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Not in release — Needs evaluation
freerdp2 Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Not affected Fixed Not in release — —
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CVE-2026-29775

Medium priority

Some fixes available 1 of 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...

3 affected packages

freerdp, freerdp2, freerdp3

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Not in release — Needs evaluation
freerdp2 Not in release Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Not affected Fixed Not in release — —
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