diff --git a/stb_image_write.h b/stb_image_write.h
index e4b32ed..151eaca 100644
--- a/stb_image_write.h
+++ b/stb_image_write.h
@@ -773,7 +773,7 @@ static int stbi_write_hdr_core(stbi__write_context *s, int x, int y, int comp, f
 #ifdef __STDC_LIB_EXT1__
       len = sprintf_s(buffer, sizeof(buffer), "EXPOSURE=          1.0000000000000\n\n-Y %d +X %d\n", y, x);
 #else
-      len = sprintf(buffer, "EXPOSURE=          1.0000000000000\n\n-Y %d +X %d\n", y, x);
+      len = snprintf(buffer, sizeof(buffer), "EXPOSURE=          1.0000000000000\n\n-Y %d +X %d\n", y, x);
 #endif
       s->func(s->context, buffer, len);
 
diff --git a/tiny_gltf.h b/tiny_gltf.h
index 702a986..d470bf4 100644
--- a/tiny_gltf.h
+++ b/tiny_gltf.h
@@ -6669,7 +6669,7 @@ bool TinyGLTF::LoadBinaryFromMemory(Model *model, std::string *err,
   // Use 64bit uint to avoid integer overflow.
   uint64_t header_and_json_size = 20ull + uint64_t(chunk0_length);
 
-  if (header_and_json_size > std::numeric_limits<uint32_t>::max()) {
+  if (header_and_json_size > (std::numeric_limits<uint32_t>::max)()) {
     // Do not allow 4GB or more GLB data.
     if (err) {
       (*err) = "Invalid glTF binary. GLB data exceeds 4GB.";