poppler/CMap.cc | 5 +++++
1 file changed, 5 insertions(+)
New commits:
commit 181db8ab737c2fbf73b1706879d00d97a72426d3
Author: LE GARREC Vincent <[email protected]>
Date: Sun Jan 27 16:43:15 2019 +0000
ofz-8467: Undefined-shift in CMap::addCIDs
diff --git a/poppler/CMap.cc b/poppler/CMap.cc
index 4c5f6fbf..9953db32 100644
--- a/poppler/CMap.cc
+++ b/poppler/CMap.cc
@@ -18,6 +18,7 @@
// Copyright (C) 2013 Fabio D'Urso <[email protected]>
// Copyright (C) 2017 Adrian Johnson <[email protected]>
// Copyright (C) 2018 Adam Reichold <[email protected]>
+// Copyright (C) 2019 LE GARREC Vincent <[email protected]>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
@@ -391,6 +392,10 @@ void CMap::addCIDs(unsigned int start, unsigned int end,
unsigned int nBytes, CI
int byte;
unsigned int i, j;
+ if (nBytes > 4) {
+ error(errSyntaxError, -1, "Illegal entry in cidchar block in CMap");
+ return;
+ }
vec = vector;
for (i = nBytes - 1; i >= 1; --i) {
byte = (start >> (8 * i)) & 0xff;
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