From e616cdea07bcee961d9c2e4b4720836d55d094c5 Mon Sep 17 00:00:00 2001
From: Josh Ferrell <josh@vector35.com>
Date: Mon, 27 Apr 2026 12:21:35 -0400
Subject: [Mach-O] Fix crash reading malformed CFString

---
 objectivec/objc.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'objectivec/objc.cpp')

diff --git a/objectivec/objc.cpp b/objectivec/objc.cpp
index fb5187ee..3b6a9165 100644
--- a/objectivec/objc.cpp
+++ b/objectivec/objc.cpp
@@ -1687,7 +1687,7 @@ void ObjCProcessor::ProcessCFStrings()
 				auto data = m_data->ReadBuffer(strLoc, size * 2);
 
 				str = "";
-				for (uint64_t bufferOff = 0; bufferOff < size * 2; bufferOff += 2)
+				for (uint64_t bufferOff = 0; bufferOff + 1 < data.GetLength(); bufferOff += 2)
 				{
 					uint8_t* rawData = static_cast<uint8_t*>(data.GetData());
 					uint8_t* offsetAddress = rawData + bufferOff;
@@ -1779,7 +1779,7 @@ void ObjCProcessor::ProcessNSConstantArrays()
 		}
 		ScopedSymbolQueue::Get().Process();
 	}
-	
+
 }
 
 void ObjCProcessor::ProcessNSConstantDictionaries()
-- 
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