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-rw-r--r--core/fxcodec/jbig2/JBig2_HuffmanTable.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/core/fxcodec/jbig2/JBig2_HuffmanTable.cpp b/core/fxcodec/jbig2/JBig2_HuffmanTable.cpp
index 3bb6ae620c..a4998e99cf 100644
--- a/core/fxcodec/jbig2/JBig2_HuffmanTable.cpp
+++ b/core/fxcodec/jbig2/JBig2_HuffmanTable.cpp
@@ -70,6 +70,10 @@ bool CJBig2_HuffmanTable::ParseFromCodedBuffer(CJBig2_BitStream* pStream) {
return false;
}
RANGELOW[NTEMP] = cur_low.ValueOrDie();
+
+ if (RANGELEN[NTEMP] >= 32)
+ return false;
+
cur_low += (1 << RANGELEN[NTEMP]);
if (!cur_low.IsValid())
return false;