diff options
| -rw-r--r-- | core/fpdfapi/parser/cpdf_hint_tables.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/core/fpdfapi/parser/cpdf_hint_tables.cpp b/core/fpdfapi/parser/cpdf_hint_tables.cpp index 123e6594c1..9cd72c7815 100644 --- a/core/fpdfapi/parser/cpdf_hint_tables.cpp +++ b/core/fpdfapi/parser/cpdf_hint_tables.cpp @@ -294,8 +294,8 @@ bool CPDF_HintTables::ReadSharedObjHintTable(CFX_BitStream* hStream, uint32_t dwDeltaGroupLen = hStream->GetBits(16); // Trying to decode more than 32 bits isn't going to work when we write into - // a uint32_t. - if (dwDeltaGroupLen > 31) + // a uint32_t. Decoding 0 bits also makes no sense. + if (!IsValidPageOffsetHintTableBitCount(dwDeltaGroupLen)) return false; if (dwFirstSharedObjNum >= CPDF_Parser::kMaxObjectNumber || |