X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=pdf%2Fxpdf%2FXRef.cc;h=f5c4159bf692f929607e7297b6a8bd38811c43a8;hb=5932479cc8c371a385616b5909df558a091b7111;hp=afb787d43c8e10dccdb83f3ad84a3c905c63aa2d;hpb=25a9ea784b39a717a6b0f27ab4a8c21d9b3afc82;p=evince.git

diff --git a/pdf/xpdf/XRef.cc b/pdf/xpdf/XRef.cc
index afb787d4..f5c4159b 100644
--- a/pdf/xpdf/XRef.cc
+++ b/pdf/xpdf/XRef.cc
@@ -819,6 +819,9 @@ GBool XRef::checkEncrypted(GString *ownerPassword, GString *userPassword) {
 	} else {
 	  keyLength = 5;
 	}
+	if (keyLength > 16) {
+	  keyLength = 16;
+	}
 	permFlags = permissions.getInt();
 	if (encVersion >= 1 && encVersion <= 2 &&
 	    encRevision >= 2 && encRevision <= 3) {