From 1a4e95cc827b0b110df58ae3197eaa3fc604d0f8 Mon Sep 17 00:00:00 2001
From: bbrucezhang <bbrucezhang@tencent.com>
Date: Fri, 10 Nov 2023 15:11:06 +0800
Subject: [PATCH] CVE-2023-31975: fix yasm memory leak

---
 modules/objfmts/bin/bin-objfmt.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/objfmts/bin/bin-objfmt.c b/modules/objfmts/bin/bin-objfmt.c
index 5f42224..a9d135c 100644
--- a/modules/objfmts/bin/bin-objfmt.c
+++ b/modules/objfmts/bin/bin-objfmt.c
@@ -1680,6 +1680,10 @@ static void
 bin_section_data_destroy(void *data)
 {
     bin_section_data *bsd = (bin_section_data *)data;
+    if (bsd->align)
+        yasm_xfree(bsd->align);
+    if (bsd->valign)
+        yasm_xfree(bsd->valign);
     if (bsd->start)
         yasm_expr_destroy(bsd->start);
     if (bsd->vstart)
-- 
2.39.3