wipeable_string: fix buffer overread

7 years ago · 6ccc51f645
parent 7a9a4a6669
commit 6ccc51f645
1 changed files with 1 additions and 1 deletions
--- a/contrib/epee/src/wipeable_string.cpp
+++ b/contrib/epee/src/wipeable_string.cpp
@ -100,7 +100,7 @@ void wipeable_string::grow(size_t sz, size_t reserved)
  wipefunc(buffer.data(), old_sz * sizeof(char));
  buffer.reserve(reserved);
  buffer.resize(sz);
-  memcpy(buffer.data(), tmp.get(), sz * sizeof(char));
+  memcpy(buffer.data(), tmp.get(), old_sz * sizeof(char));
  wipefunc(tmp.get(), old_sz * sizeof(char));
 }