[poppler] poppler/PageLabelInfo.cc

[GitLab Mirror]

 poppler/PageLabelInfo.cc |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

New commits:
commit 6263bb90b09326103b10e4c4edfbc5b84c884921
Author: Albert Astals Cid <aacid at kde.org>
Date:   Sun Oct 16 12:07:12 2022 +0200

    Page label ranges can't start in < 0
    
    oss-fuzz/52140

diff --git a/poppler/PageLabelInfo.cc b/poppler/PageLabelInfo.cc
index 7193176a..40a6e7fc 100644
--- a/poppler/PageLabelInfo.cc
+++ b/poppler/PageLabelInfo.cc
@@ -84,7 +84,10 @@ void PageLabelInfo::parse(const Object *tree, std::set<int> &alreadyParsedRefs)
             if (!obj.isInt()) {
                 continue;
             }
-            int base = obj.getInt();
+            const int base = obj.getInt();
+            if (base < 0) {
+                continue;
+            }
             obj = nums.arrayGet(i + 1);
             if (!obj.isDict()) {
                 continue;