diff --git a/0001-remove-sample-in-mtools-conf-file.patch b/1001-remove-sample-in-mtools-conf-file.patch
similarity index 100%
rename from 0001-remove-sample-in-mtools-conf-file.patch
rename to 1001-remove-sample-in-mtools-conf-file.patch
diff --git a/mtools-4.0.42.tar.bz2 b/mtools-4.0.42.tar.bz2
deleted file mode 100644
index 0d67a1b716b6922d7055c7740d7c1a091afaf7c6..0000000000000000000000000000000000000000
Binary files a/mtools-4.0.42.tar.bz2 and /dev/null differ
diff --git a/mtools-4.0.43-close.patch b/mtools-4.0.43-close.patch
new file mode 100644
index 0000000000000000000000000000000000000000..df379829de1daf79ff40341542502d3512ae1e52
--- /dev/null
+++ b/mtools-4.0.43-close.patch
@@ -0,0 +1,11 @@
+diff -ur mtools-4.0.44/mpartition.c mtools-4.0.44-memleaks/mpartition.c
+--- mtools-4.0.44/mpartition.c	2022-10-29 11:48:23.000000000 +0200
++++ mtools-4.0.44-memleaks/mpartition.c	2024-08-21 13:53:03.699524744 +0200
+@@ -483,6 +483,7 @@
+ 				perror("read MBR");
+ 				exit(1);
+ 			}
++			close(fd);
+ 		}
+ 		memset((char *)(partTable+1), 0, 4*sizeof(*partTable));
+ 		set_word(((unsigned char*)buf)+510, 0xaa55);
diff --git a/mtools-4.0.43-errmsgsize.patch b/mtools-4.0.43-errmsgsize.patch
new file mode 100644
index 0000000000000000000000000000000000000000..ab3a724bc872a59f938012420c888dc068872e1c
--- /dev/null
+++ b/mtools-4.0.43-errmsgsize.patch
@@ -0,0 +1,13 @@
+diff -up mtools-4.0.43/mcopy.c.orig mtools-4.0.43/mcopy.c
+--- mtools-4.0.43/mcopy.c.orig	2024-08-20 18:41:43.957181199 +0200
++++ mtools-4.0.43/mcopy.c	2024-08-20 18:40:51.921966014 +0200
+@@ -196,7 +196,8 @@ static int _unix_write(MainParam_t *mp,
+ 	Stream_t *File=mp->File;
+ 	Stream_t *Target, *Source;
+ 	struct MT_STAT stbuf;
+-	char errmsg[80];
++	/* matches buffer size in SimpleFileOpenWithLm() */
++	char errmsg[200];
+ 
+ 	File->Class->get_data(File, &mtime, 0, 0, 0);
+ 
diff --git a/mtools-4.0.43-iconv_close.patch b/mtools-4.0.43-iconv_close.patch
new file mode 100644
index 0000000000000000000000000000000000000000..5a98229ea85f5ed1579bbe1f8f75e8e0993a92f8
--- /dev/null
+++ b/mtools-4.0.43-iconv_close.patch
@@ -0,0 +1,19 @@
+diff -ur mtools-4.0.44/charsetConv.c mtools-4.0.44-memleaks/charsetConv.c
+--- mtools-4.0.44/charsetConv.c	2022-09-24 10:43:03.000000000 +0200
++++ mtools-4.0.44-memleaks/charsetConv.c	2024-08-20 18:05:05.252088712 +0200
+@@ -70,6 +70,7 @@
+ 	res = iconv(test,
+ 		    &inbuf, &inbufLen,
+ 		    &outbufP, &outbufLen);
++	iconv_close(test);
+ 	if(res != 0 || outbufLen != 0 || inbufLen != 0)
+ 		goto fail;
+ 	if(memcmp(outbuf, "ab", 2))
+@@ -77,7 +78,6 @@
+ 	/* fprintf(stderr, "%s ok\n", testCp); */
+ 	return 1;
+  fail:
+-	iconv_close(test);
+  fail0:
+ 	/*fprintf(stderr, "%s fail\n", testCp);*/
+ 	return 0;
diff --git a/mtools-4.0.43.tar.gz b/mtools-4.0.43.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..64a0255999ca6e8fad2dbbcaee85174f840c566e
Binary files /dev/null and b/mtools-4.0.43.tar.gz differ
diff --git a/mtools.spec b/mtools.spec
index 08aefe8740cd23e17cf943bf18d5324ee1b4c670..d3a3b2314d5e593139c5ce9489bcbe645be591bf 100644
--- a/mtools.spec
+++ b/mtools.spec
@@ -1,13 +1,16 @@
 %define anolis_release 1
 Summary:    Programs for accessing MS-DOS disks without mounting the disks
 Name:       mtools
-Version:    4.0.42
+Version:    4.0.43
 Release:    %{anolis_release}%{?dist}
 License:    GPLv3+
-Source0:    ftp://ftp.gnu.org/gnu/mtools/mtools-%{version}.tar.bz2
+Source0:    ftp://ftp.gnu.org/gnu/mtools/mtools-%{version}.tar.gz
 Url:        https://www.gnu.org/software/mtools/
 
-Patch0:     0001-remove-sample-in-mtools-conf-file.patch
+Patch0: mtools-4.0.43-errmsgsize.patch
+Patch1: mtools-4.0.43-iconv_close.patch
+Patch2: mtools-4.0.43-close.patch
+Patch1001:     1001-remove-sample-in-mtools-conf-file.patch
 
 BuildRequires: make
 BuildRequires: gcc
@@ -60,6 +63,14 @@ ln -s mtools.5 %{buildroot}%{_mandir}/man5/mtools.conf.5
 %doc README Release.notes
 
 %changelog
+* Thu Mar 20 2025 Xiaoping Liu <lxp01404969@alibaba-inc.com> - 4.0.43-1
+- update to 4.0.43 from 4.0.42
+- Increase error message buffer size
+- Prevent a leak of iconv_t
+- Prevent a file descriptor leak
+  [Patches cherry-pick from c10s. Original changelog:
+  - Prevent a file descriptor leak. ( 4.0.43-6 )]
+
 * Tue Dec 20 2022 Funda Wang <fundawang@yeah.net> - 4.0.42-1
 - New version 4.0.42