add bound check in AP4_Stz2Atom::AP4_Stz2Atom

QWeiheng · Apr 2, 2024 · f6b5e5b · f6b5e5b
1 parent 525027c
commit f6b5e5b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/Source/C++/Core/Ap4Stz2Atom.cpp b/Source/C++/Core/Ap4Stz2Atom.cpp
@@ -104,6 +104,7 @@ AP4_Stz2Atom::AP4_Stz2Atom(AP4_UI32        size,
         delete[] buffer;
         return;
     }
+    if (sample_count > sizeof(buffer)) return;
     m_SampleCount = sample_count;
     m_Entries.SetItemCount((AP4_Cardinal)sample_count);
     switch (m_FieldSize) {