From 92b9b67df6e3676f81415882760d9ec8939219e9 Mon Sep 17 00:00:00 2001
From: Michael Agun <danielagun@microsoft.com>
Date: Tue, 4 Jun 2024 09:23:57 -0700
Subject: [PATCH] check that stream is big enough, accounting for overflow

---
 elfio/elfio_section.hpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/elfio/elfio_section.hpp b/elfio/elfio_section.hpp
index f08b585..4be0b97 100644
--- a/elfio/elfio_section.hpp
+++ b/elfio/elfio_section.hpp
@@ -285,7 +285,7 @@ template <class T> class section_impl : public section
         Elf_Xword size = get_size();
         if ( nullptr == data && SHT_NULL != get_type() &&
              SHT_NOBITS != get_type() &&
-             ( sh_offset + size ) <= get_stream_size() ) {
+             sh_offset <= get_stream_size() && size <= (get_stream_size() - sh_offset)) {
             data.reset( new ( std::nothrow ) char[size_t( size ) + 1] );
 
             if ( ( 0 != size ) && ( nullptr != data ) ) {