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CVE-2026-110839

FreeRDP 3.3.0 before 3.32.0 Heap Out-of-Bounds Write via Grayscale JPEG Clipboard Data PUBLISHED

Description (CNA)

FreeRDP 3.3.0 before 3.32.0, when built with WINPR_UTILS_IMAGE_JPEG=ON, has a heap-based out-of-bounds write in winpr_convert_from_jpeg because grayscale JPEG buffers are sized from one input component rather than three BGR output components. A malicious RDP server can offer a grayscale JPEG via clipboard redirection, corrupting client memory and crashing it when the item is pasted as CF_DIB bitmap data.

Affected (CNA)

Vendor / productVersions
FreeRDP / FreeRDPaffected 3.3.0 before 3.32.0; unaffected 3.32.0

CWE

CWE-787

References

ADP enrichment

CISA-ADP

No English description supplied.