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CVE-2026-91946

Medium priority

Some fixes available 2 of 8

FreeRDP versions before 3.31.0 contain an information disclosure vulnerability in the RDPGFX server's ResetGraphics PDU serializer that fails to initialize padding bytes in the fixed 340-byte wire format. Attackers can receive...

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 Fixed Fixed Not in release — —
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CVE-2026-91945

Medium priority

Some fixes available 2 of 8

FreeRDP versions before 3.31.0 contain an out-of-bounds read vulnerability in smartcard response decoders that fail to validate ATR length fields against fixed inline arrays. Authenticated RDP clients can send oversized ATR...

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 Fixed Fixed Not in release — —
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CVE-2026-85090

Medium priority

Some fixes available 2 of 8

FreeRDP before 3.31.0 contains a heap out-of-bounds read vulnerability in the general_ChromaV1ToYUV444 function during AVC444 chroma plane reconstruction. A malicious RDP server can craft a RFX_AVC444_BITMAP_STREAM with specific...

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 Fixed Fixed Not in release — —
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CVE-2026-85089

Medium priority

Some fixes available 2 of 8

FreeRDP versions 3.0.0 through 3.30.0 (before 3.31.0) transmit uninitialized heap memory in Save Session Info PDU reserved padding fields. Three PDU writers in libfreerdp/core/info.c...

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 Fixed Fixed Not in release — —
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CVE-2026-63652

Medium priority

Some fixes available 2 of 8

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, rdpsnd_server_recv_formats in channels/rdpsnd/server/rdpsnd_main.c frees context->client_formats on a malformed Client Audio Formats PDU without...

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 Fixed Fixed Not in release — —
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CVE-2026-63633

Medium priority

Some fixes available 2 of 8

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, freerdp_dsp_decode_opus in libfreerdp/codec/dsp.c calls Stream_EnsureRemainingCapacity on context->common.buffer even though opus_decode writes...

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 Fixed Fixed Not in release — —
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CVE-2026-63117

Medium priority

Some fixes available 2 of 8

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.28.0, an authenticated RDP client can advertise DVI ADPCM with nBlockAlign equal to 8 and nChannels equal to 2 to make the `bs` calculation in...

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 Fixed Fixed Not in release — —
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CVE-2026-73242

Medium priority

Some fixes available 2 of 8

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.30.0, FreeRDP's winpr/libwinpr/sspi/Kerberos/kerberos.c kerberos_DecryptMessage function fails to bound the peer-controlled GSS Wrap-token EC field before...

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 Fixed Fixed Not in release — —
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CVE-2026-73241

Medium priority

Some fixes available 2 of 8

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.30.0, FreeRDP server-side RDSTLS in libfreerdp/core/rdstls.c accepts an attacker-supplied RDSTLS_TYPE_CAPABILITIES PDU while rdstls_server_authenticate is...

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 Fixed Fixed Not in release — —
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CVE-2026-72746

Medium priority
Not affected

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority as it's a duplicate of CVE-2026-73241.

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 — Not affected
freerdp2 Not in release Not affected Not affected Not affected Not affected
freerdp3 Not affected Not affected Not in release — —
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