summaryrefslogtreecommitdiff
path: root/core/fpdfapi
diff options
context:
space:
mode:
Diffstat (limited to 'core/fpdfapi')
-rw-r--r--core/fpdfapi/parser/cpdf_security_handler.cpp3
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;
}