[PATCH 4/7] windowscodecs: Limit number of colors in a palette in BMP decoder.
Dmitry Timoshkov
dmitry at baikal.ru
Fri Nov 30 00:53:15 CST 2018
Signed-off-by: Dmitry Timoshkov <dmitry at baikal.ru>
---
dlls/windowscodecs/bmpdecode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/dlls/windowscodecs/bmpdecode.c b/dlls/windowscodecs/bmpdecode.c
index 6254b150ca..f5a2589d68 100644
--- a/dlls/windowscodecs/bmpdecode.c
+++ b/dlls/windowscodecs/bmpdecode.c
@@ -271,7 +271,7 @@ static HRESULT WINAPI BmpFrameDecode_CopyPalette(IWICBitmapFrameDecode *iface,
if (This->bih.bV5ClrUsed == 0)
count = 1 << This->bih.bV5BitCount;
else
- count = This->bih.bV5ClrUsed;
+ count = min(This->bih.bV5ClrUsed, 1 << This->bih.bV5BitCount);
tablesize = sizeof(WICColor) * count;
wiccolors = HeapAlloc(GetProcessHeap(), 0, tablesize);
--
2.17.1
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