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-rw-r--r--src/plugins/imageformats/ico/qicohandler.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/plugins/imageformats/ico/qicohandler.cpp b/src/plugins/imageformats/ico/qicohandler.cpp
index 5aa26d3..701207d 100644
--- a/src/plugins/imageformats/ico/qicohandler.cpp
+++ b/src/plugins/imageformats/ico/qicohandler.cpp
@@ -559,6 +559,8 @@ QImage ICOReader::iconAt(int index)
icoAttrib.ncolors = 0;
else // # colors used
icoAttrib.ncolors = header.biClrUsed ? header.biClrUsed : 1 << icoAttrib.nbits;
+ if (icoAttrib.ncolors > 256) //color table can't be more than 256
+ return img;
icoAttrib.w = iconEntry.bWidth;
if (icoAttrib.w == 0)
icoAttrib.w = header.biWidth;