Fix possible buffer overrun from CVE-2025-5318

Resolves: RHEL-111732

CVE-2025-5318.patch

@@ -0,0 +1,27 @@
+From a49bef98417bdfe302cfb2dc234cfd8e4bd1e38c Mon Sep 17 00:00:00 2001
+From: Jakub Jelen <jjelen@redhat.com>
+Date: Tue, 22 Apr 2025 21:18:44 +0200
+Subject: [PATCH] CVE-2025-5318: sftpserver: Fix possible buffer overrun
+
+Signed-off-by: Jakub Jelen <jjelen@redhat.com>
+Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
+---
+ src/sftpserver.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/sftpserver.c b/src/sftpserver.c
+index 9117f155..b3349e16 100644
+--- a/src/sftpserver.c
++++ b/src/sftpserver.c
+@@ -538,7 +538,7 @@ void *sftp_handle(sftp_session sftp, ssh_string handle){
+ 
+   memcpy(&val, ssh_string_data(handle), sizeof(uint32_t));
+ 
+-  if (val > SFTP_HANDLES) {
++  if (val >= SFTP_HANDLES) {
+     return NULL;
+   }
+ 
+-- 
+2.50.1
+

libssh.spec

@@ -1,6 +1,6 @@
 Name:           libssh
 Version:        0.10.4
-Release:        13%{?dist}
+Release:        14%{?dist}
 Summary:        A library implementing the SSH protocol
 License:        LGPLv2+
 URL:            http://www.libssh.org
@@ -55,6 +55,7 @@ Patch13: CVE-2023-6004.patch
 Patch14: CVE-2023-48795.patch
 Patch15: CVE-2023-6918.patch
 Patch16: escape-brackets-in-proxycommand.patch
+Patch17: CVE-2025-5318.patch
 
 %description
 The ssh library was designed to be used by programmers needing a working SSH
@@ -147,6 +148,10 @@ popd
 %attr(0644,root,root) %config(noreplace) %{_sysconfdir}/libssh/libssh_server.config
 
 %changelog
+* Tue Sep 30 2025 Pavol Žáčik <pzacik@redhat.com> - 0.10.4-14
+- Fix CVE-2025-5318
+  Resolves: RHEL-111732
+
 * Mon Feb 19 2024 Sahana Prasad <sahana@redhat.com> - 0.10.4-13
 - Bump up the version so that the version in 9.3 is lower.
 - Resolves: RHEL-19310, RHEL-19691, RHEL-17245