:: commit 8bdb6bf777ea55aa9dff3e87580f396bb0543003

diff --git a/common/lib/pe.c b/common/lib/pe.c
index 4e95c135..17010f46 100644
--- a/common/lib/pe.c
+++ b/common/lib/pe.c
@@ -357,6 +357,10 @@ again:
                 panic(true, "pe: Invalid relocation block size");
             }
 
+            if (block->SizeOfBlock > reloc_dir->Size - reloc_block_offset) {
+                panic(true, "pe: Relocation block size exceeds directory");
+            }
+
             if (block->VirtualAddress >= image_size) {
                 panic(true, "pe: Relocation block VirtualAddress out of bounds");
             }