[codec,color] fix out of bound read

FreeRDP · Apr 21, 2024 · 6430945 · 6430945
1 parent 4e75630
commit 6430945
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/libfreerdp/codec/color.c b/libfreerdp/codec/color.c
@@ -847,6 +847,9 @@ BOOL freerdp_image_copy(BYTE* pDstData, DWORD DstFormat, UINT32 nDstStep, UINT32
 	if (!pDstData || !pSrcData)
 		return FALSE;
 
+	if ((nWidth == 0) || (nHeight == 0))
+		return TRUE;
+
 	if (nDstStep == 0)
 		nDstStep = nWidth * FreeRDPGetBytesPerPixel(DstFormat);