From 8d73b86723c6a2d46620fe89fa596127a79a5ef1 Mon Sep 17 00:00:00 2001
From: Frederik Seiffert <frederik@algoriddim.com>
Date: 2025年9月26日 08:55:14 +0200
Subject: [PATCH 1/2] Guard remote config response parsing from empty
 FlatBuffer
Fixes #1433.
---
 remote_config/src/desktop/remote_config_response.cc &#124; 3 +++
 1 file changed, 3 insertions(+)
diff --git a/remote_config/src/desktop/remote_config_response.cc b/remote_config/src/desktop/remote_config_response.cc
index 397c1f5d9e..d7608c1cff 100644
--- a/remote_config/src/desktop/remote_config_response.cc
+++ b/remote_config/src/desktop/remote_config_response.cc
@@ -95,6 +95,9 @@ void RemoteConfigResponse::MarkCompleted() {
 return;
 }
 const flatbuffers::FlatBufferBuilder& builder = parser_->builder_;
+ if (builder.GetSize() == 0 &#124;&#124; builder.GetBufferPointer() == nullptr) {
+ return;
+ }
 const fbs::Response* body_fbs =
 flatbuffers::GetRoot<fbs::response>(builder.GetBufferPointer());
 
From c33ae4dc95554487c2dc61419544e9f7097b8c7d Mon Sep 17 00:00:00 2001
From: Frederik Seiffert <frederik@algoriddim.com>
Date: 2025年9月26日 09:03:43 +0200
Subject: [PATCH 2/2] Improve guard check
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
---
 remote_config/src/desktop/remote_config_response.cc &#124; 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/remote_config/src/desktop/remote_config_response.cc b/remote_config/src/desktop/remote_config_response.cc
index d7608c1cff..d57ac2e8f3 100644
--- a/remote_config/src/desktop/remote_config_response.cc
+++ b/remote_config/src/desktop/remote_config_response.cc
@@ -95,7 +95,7 @@ void RemoteConfigResponse::MarkCompleted() {
 return;
 }
 const flatbuffers::FlatBufferBuilder& builder = parser_->builder_;
- if (builder.GetSize() == 0 &#124;&#124; builder.GetBufferPointer() == nullptr) {
+ if (builder.GetSize() < sizeof(flatbuffers::uoffset_t) &#124;&#124; builder.GetBufferPointer() == nullptr) {
 return;
 }
 const fbs::Response* body_fbs =
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