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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)
Upstream-Status: Backport [https://github.com/yasm/yasm/commit/b2cc5a1693b17ac415df76d0795b15994c106441]
CVE: CVE-2023-31975
---
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)
--
2.40.0
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