diff --git a/CVE-2023-31975.patch b/CVE-2023-31975.patch
new file mode 100644
index 0000000000000000000000000000000000000000..89baf1df25c9f6f40f978c517605330f713ce930
--- /dev/null
+++ b/CVE-2023-31975.patch
@@ -0,0 +1,27 @@
+From b2cc5a1693b17ac415df76d0795b15994c106441 Mon Sep 17 00:00:00 2001
+From: Katsuhiko Gondow <gondow@cs.titech.ac.jp>
+Date: Tue, 13 Jun 2023 05:00:47 +0900
+Subject: [PATCH] Fix memory leak in bin-objfmt (#231)
+
+---
+ 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 18026750..a38c3422 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)
+-- 
+2.41.0.windows.3
+
diff --git a/yasm.spec b/yasm.spec
index 0f6a7e7f816556ffad3aaec6e4bb5d7cad0e03e2..02654ccb95cbc09c3eaeb942cd1e093053e910df 100644
--- a/yasm.spec
+++ b/yasm.spec
@@ -1,12 +1,14 @@
 Name:           yasm
 Version:        1.3.0
-Release:        11
+Release:        12
 Summary:        NASM assembler
 License:        BSD
 URL:            http://yasm.tortall.net/
 Source0:        http://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz
+
 Patch1:         yasm-1.3.0-sw.patch
 Patch2:         CVE-2023-37732.patch
+Patch3:         CVE-2023-31975.patch
 
 BuildRequires:  gcc bison byacc gettext-devel xmlto
 Provides:       bundled(md5-plumb)
@@ -48,6 +50,9 @@ rm -rf %{buildroot}
 %{_mandir}/*
 
 %changelog
+* Tue Aug 15 2023 liningjie <liningjie@xfusion.com> - 1.3.0-12
+- fix CVE-2023-31975
+
 * Fri Aug 11 2023 liningjie <liningjie@xfusion.com> - 1.3.0-11
 - fix CVE-2023-37732