diff options
| -rw-r--r-- | core/fpdfapi/parser/cpdf_security_handler.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/core/fpdfapi/parser/cpdf_security_handler.cpp b/core/fpdfapi/parser/cpdf_security_handler.cpp index bc72ad3b33..f3d9201cbf 100644 --- a/core/fpdfapi/parser/cpdf_security_handler.cpp +++ b/core/fpdfapi/parser/cpdf_security_handler.cpp @@ -157,6 +157,9 @@ static bool LoadCryptInfo(const CPDF_Dictionary* pEncryptDict, } else { nKeyBits = pEncryptDict->GetIntegerFor("Length", 256); } + if (nKeyBits < 0) + return false; + if (nKeyBits < 40) { nKeyBits *= 8; } |