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CVE-2026-23884

Medium priority
Needs evaluation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, offscreen bitmap deletion leaves `gdi->drawing` pointing to freed memory, causing UAF when related update packets arrive. A malicious server...

3 affected packages

freerdp, freerdp2, freerdp3

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Needs evaluation
freerdp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Needs evaluation Not in release
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CVE-2026-23883

Medium priority
Needs evaluation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, `xf_Pointer_New` frees `cursorPixels` on failure, then `pointer_free` calls `xf_Pointer_Free` and frees it again, triggering ASan UAF. A...

3 affected packages

freerdp, freerdp2, freerdp3

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Needs evaluation
freerdp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Needs evaluation Not in release
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CVE-2026-23732

Medium priority
Needs evaluation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, FastGlyph parsing trusts `cbData`/remaining length and never validates against the minimum size implied by `cx/cy`. A malicious server can...

3 affected packages

freerdp, freerdp2, freerdp3

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Needs evaluation
freerdp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Needs evaluation Not in release
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CVE-2026-23534

Medium priority
Needs evaluation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurs in the ClearCodec bands decode path when crafted band coordinates allow writes past the end of the...

3 affected packages

freerdp, freerdp2, freerdp3

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Needs evaluation
freerdp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Needs evaluation Not in release
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CVE-2026-23533

Medium priority
Needs evaluation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurs in the RDPGFX ClearCodec decode path when maliciously crafted residual data causes out-of-bounds...

3 affected packages

freerdp, freerdp2, freerdp3

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Needs evaluation
freerdp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Needs evaluation Not in release
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CVE-2026-23532

Medium priority
Needs evaluation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurs in the FreeRDP client’s `gdi_SurfaceToSurface` path due to a mismatch between...

3 affected packages

freerdp, freerdp2, freerdp3

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Needs evaluation
freerdp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Needs evaluation Not in release
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CVE-2026-23531

Medium priority
Needs evaluation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, in ClearCodec, when `glyphData` is present, `clear_decompress` calls `freerdp_image_copy_no_overlap` without validating the destination...

3 affected packages

freerdp, freerdp2, freerdp3

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Needs evaluation
freerdp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Needs evaluation Not in release
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CVE-2026-23530

Medium priority
Needs evaluation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0,`freerdp_bitmap_decompress_planar` does not validate `nSrcWidth`/`nSrcHeight` against `planar->maxWidth`/`maxHeight` before RLE decode. A...

3 affected packages

freerdp, freerdp2, freerdp3

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Needs evaluation
freerdp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Needs evaluation Not in release
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CVE-2026-22859

Medium priority
Needs evaluation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, the URBDRC client does not perform bounds checking on server‑supplied MSUSB_INTERFACE_DESCRIPTOR values and uses them as indices in...

3 affected packages

freerdp, freerdp2, freerdp3

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Needs evaluation
freerdp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Needs evaluation Not in release
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CVE-2026-22858

Medium priority
Needs evaluation

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, global-buffer-overflow was observed in FreeRDP's Base64 decoding path. The root cause appears to be implementation-defined char signedness: on...

3 affected packages

freerdp, freerdp2, freerdp3

Package 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
freerdp Not in release Not in release Needs evaluation
freerdp2 Needs evaluation Needs evaluation Needs evaluation Needs evaluation
freerdp3 Needs evaluation Not in release
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