blob: 0fedc1efd296b88cf5f070a6d943f86e16bd72a6 (
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--- a/gif2rgb.c
+++ b/gif2rgb.c
@@ -329,6 +329,10 @@ static void DumpScreen2RGB(char *FileNam
GifRow = ScreenBuffer[i];
GifQprintf("\b\b\b\b%-4d", ScreenHeight - i);
for (j = 0; j < ScreenWidth; j++) {
+ /* Check if color is within color palete */
+ if (GifRow[j] >= ColorMap->ColorCount) {
+ GIF_EXIT(GifErrorString(D_GIF_ERR_IMAGE_DEFECT));
+ }
ColorMapEntry = &ColorMap->Colors[GifRow[j]];
Buffers[0][j] = ColorMapEntry->Red;
Buffers[1][j] = ColorMapEntry->Green;
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