diff --git a/lib/ZipFile/ZipFile.cpp b/lib/ZipFile/ZipFile.cpp
index 2a2af164..a740e14d 100644
--- a/lib/ZipFile/ZipFile.cpp
+++ b/lib/ZipFile/ZipFile.cpp
@@ -71,10 +71,15 @@ bool ZipFile::loadAllFileStatSlims() {
     file.read(&k, 2);
     file.seekCur(8);
     file.read(&fileStat.localHeaderOffset, 4);
-    file.read(itemName, nameLen);
-    itemName[nameLen] = '\0';
 
-    fileStatSlimCache.emplace(itemName, fileStat);
+    if (nameLen < sizeof(itemName)) {
+      file.read(itemName, nameLen);
+      itemName[nameLen] = '\0';
+      fileStatSlimCache.emplace(itemName, fileStat);
+    } else {
+      // Skip over oversized entry names to avoid writing past fixed buffer.
+      file.seekCur(nameLen);
+    }
 
     // Skip the rest of this entry (extra field + comment)
     file.seekCur(m + k);