CVE-2026-23884 Heap-use-after-free in gdi_set_bounds

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 can trigger a client‑side use after free, causing a crash DoS and...

CVE-2026-23883

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, xfPointerNew frees cursorPixels on failure, then pointerfree calls xfPointerFree and frees it again, triggering ASan UAF. A malicious server can trigger a client‑side use after free, causing a crash DoS and...

CVE-2026-23883

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, xfPointerNew frees cursorPixels on failure, then pointerfree calls xfPointerFree and frees it again, triggering ASan UAF. A malicious server can trigger a client‑side use after free, causing a crash DoS and...

CVE-2026-23883

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, xfPointerNew frees cursorPixels on failure, then pointerfree calls xfPointerFree and frees it again, triggering ASan UAF. A malicious server can trigger a client‑side use after free, causing a crash DoS and...

CVE-2026-23883

FreeRDP vulnerable: prior to 3.21.0, the xf_Pointer_New path frees cursorPixels on failure and then xf_Pointer_Free frees it again, causing a use-after-free (ASan UAF) that can crash the client and potentially enable heap-based code execution depending on allocator/heap layout. The issue affects ...

CVE-2026-23883 Heap-use-after-free in update_pointer_new

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, xfPointerNew frees cursorPixels on failure, then pointerfree calls xfPointerFree and frees it again, triggering ASan UAF. A malicious server can trigger a client‑side use after free, causing a crash DoS and...

CVE-2026-23883 Heap-use-after-free in update_pointer_new

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, xfPointerNew frees cursorPixels on failure, then pointerfree calls xfPointerFree and frees it again, triggering ASan UAF. A malicious server can trigger a client‑side use after free, causing a crash DoS and...

CVE-2026-23532

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 gdiSurfaceToSurface path due to a mismatch between destination rectangle clamping and the actual copy size. A malicious server can trigger a...

CVE-2026-23531

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, in ClearCodec, when glyphData is present, cleardecompress calls freerdpimagecopynooverlap without validating the destination rectangle, allowing an out-of-bounds read/write via crafted RDPGFX surface updates...

UBUNTU-CVE-2026-23531

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, in ClearCodec, when glyphData is present, cleardecompress calls freerdpimagecopynooverlap without validating the destination rectangle, allowing an out-of-bounds read/write via crafted RDPGFX surface updates...

UBUNTU-CVE-2026-23530

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0,freerdpbitmapdecompressplanar does not validate nSrcWidth/nSrcHeight against planar-maxWidth/maxHeight before RLE decode. A malicious server can trigger a client‑side heap buffer overflow, causing a crash DoS...

CVE-2026-23532

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 gdiSurfaceToSurface path due to a mismatch between destination rectangle clamping and the actual copy size. A malicious server can trigger a...

CVE-2026-23530

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0,freerdpbitmapdecompressplanar does not validate nSrcWidth/nSrcHeight against planar-maxWidth/maxHeight before RLE decode. A malicious server can trigger a client‑side heap buffer overflow, causing a crash DoS...

CVE-2026-23531

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, in ClearCodec, when glyphData is present, cleardecompress calls freerdpimagecopynooverlap without validating the destination rectangle, allowing an out-of-bounds read/write via crafted RDPGFX surface updates...

UBUNTU-CVE-2026-23532

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 gdiSurfaceToSurface path due to a mismatch between destination rectangle clamping and the actual copy size. A malicious server can trigger a...

CVE-2026-23732

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 trigger a client‑side global buffer overflow, causing a crash DoS. Versi...

CVE-2026-23732

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 trigger a client‑side global buffer overflow, causing a crash DoS. Versi...

CVE-2026-23732

CVE-2026-23732 affects FreeRDP up to version 3.21.0, where the FastGlyph parsing path can trigger a client‑side global heap buffer overflow due to improper validation of glyph data (cbData/remaining length vs. cx/cy). SUSE advisory notes the fix in Freerdp by updating to a patched release (3.21.0...

CVE-2026-23732 FreeRDP has heap-buffer-overflow in Glyph_Alloc

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 trigger a client‑side global buffer overflow, causing a crash DoS. Versi...

EUVD-2026-3314

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 destination surface buffer. A malicious server can trigger a...