diff --git a/src/core/fonts.js b/src/core/fonts.js
index 0c511f8aa..5017d1b93 100644
--- a/src/core/fonts.js
+++ b/src/core/fonts.js
@@ -1832,6 +1832,9 @@ var Font = (function FontClosure() {
         }
         for (i = 0, ii = records.length; i < ii; i++) {
           var record = records[i];
+          if (record.length <= 0) {
+            continue; // Nothing to process, ignoring.
+          }
           var pos = start + stringsStart + record.offset;
           if (pos + record.length > end) {
             continue; // outside of name table, ignoring
diff --git a/test/pdfs/.gitignore b/test/pdfs/.gitignore
index a771174a0..106de2ce3 100644
--- a/test/pdfs/.gitignore
+++ b/test/pdfs/.gitignore
@@ -19,6 +19,7 @@
 !issue5874.pdf
 !issue6782.pdf
 !issue6961.pdf
+!issue7020.pdf
 !filled-background.pdf
 !ArabicCIDTrueType.pdf
 !ThuluthFeatures.pdf
diff --git a/test/pdfs/issue7020.pdf b/test/pdfs/issue7020.pdf
new file mode 100644
index 000000000..e9ee3bc10
Binary files /dev/null and b/test/pdfs/issue7020.pdf differ
diff --git a/test/test_manifest.json b/test/test_manifest.json
index edb7abf20..c8095cb4a 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -1217,6 +1217,13 @@
        "lastPage": 1,
        "type": "load"
     },
+    {  "id": "issue7020",
+       "file": "pdfs/issue7020.pdf",
+       "md5": "93b464e21c649e64ae92eeafe99fc31b",
+       "link": false,
+       "rounds": 1,
+       "type": "eq"
+    },
     {  "id": "pr4606",
        "file": "pdfs/pr4606.pdf",
        "md5": "6574fde2314648600056bd0e229df98c",