diff options
| -rw-r--r-- | core/fxcodec/jbig2/JBig2_BitStream.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/core/fxcodec/jbig2/JBig2_BitStream.cpp b/core/fxcodec/jbig2/JBig2_BitStream.cpp index dc4beabc4b..3346521aca 100644 --- a/core/fxcodec/jbig2/JBig2_BitStream.cpp +++ b/core/fxcodec/jbig2/JBig2_BitStream.cpp @@ -27,6 +27,9 @@ CJBig2_BitStream::CJBig2_BitStream(CPDF_StreamAcc* pSrcStream) CJBig2_BitStream::~CJBig2_BitStream() {} int32_t CJBig2_BitStream::readNBits(uint32_t dwBits, uint32_t* dwResult) { + if (!IsInBound()) + return -1; + uint32_t dwBitPos = getBitPos(); if (dwBitPos > LengthInBits()) return -1; @@ -46,6 +49,9 @@ int32_t CJBig2_BitStream::readNBits(uint32_t dwBits, uint32_t* dwResult) { } int32_t CJBig2_BitStream::readNBits(uint32_t dwBits, int32_t* nResult) { + if (!IsInBound()) + return -1; + uint32_t dwBitPos = getBitPos(); if (dwBitPos > LengthInBits()) return -1; |