From: Devansh Patel <[email protected]>

This patch applies the upstream OpenSSH 10.4 backport for
CVE-2026-59995. The upstream fix commit is referenced in [1],
and the public CVE advisory is referenced in [2].

[1] 
https://github.com/openssh/openssh-portable/commit/1b39f39657d2e58f8ec57341581a39bbf0be645b
[2] https://nvd.nist.gov/vuln/detail/CVE-2026-59995

Signed-off-by: Devansh Patel <[email protected]>
Signed-off-by: Yoann Congal <[email protected]>
---
 .../openssh/openssh/CVE-2026-59995.patch      | 42 +++++++++++++++++++
 .../openssh/openssh_9.6p1.bb                  |  1 +
 2 files changed, 43 insertions(+)
 create mode 100644 
meta/recipes-connectivity/openssh/openssh/CVE-2026-59995.patch

diff --git a/meta/recipes-connectivity/openssh/openssh/CVE-2026-59995.patch 
b/meta/recipes-connectivity/openssh/openssh/CVE-2026-59995.patch
new file mode 100644
index 00000000000..9b6fee198ff
--- /dev/null
+++ b/meta/recipes-connectivity/openssh/openssh/CVE-2026-59995.patch
@@ -0,0 +1,42 @@
+From b340eaa274a7e7dffea03bcb62169249bbddab37 Mon Sep 17 00:00:00 2001
+From: "[email protected]" <[email protected]>
+Date: Mon, 29 Jun 2026 01:47:21 +0000
+Subject: [PATCH] upstream: avoid download to server-controlled path when
+ performing
+
+download on the commandline. From Swival scanner
+
+CVE: CVE-2026-59995
+Upstream-Status: Backport 
[https://github.com/openssh/openssh-portable/commit/1b39f39657d2e58f8ec57341581a39bbf0be645b]
+
+Backport Changes:
+- Retained the Scarthgap sftp.c OpenBSD revision identifier because the
+  10.4 identifier does not describe the older source baseline.
+
+OpenBSD-Commit-ID: d1b2c44305fdfe6d51eed9ecc727e59478bf311f
+(cherry picked from commit 1b39f39657d2e58f8ec57341581a39bbf0be645b)
+Signed-off-by: Devansh Patel <[email protected]>
+---
+ sftp.c | 9 ++-------
+ 1 file changed, 2 insertions(+), 7 deletions(-)
+
+diff --git a/sftp.c b/sftp.c
+index c609b4153..487e53976 100644
+--- a/sftp.c
++++ b/sftp.c
+@@ -2268,13 +2268,8 @@ interactive_loop(struct sftp_conn *conn, char *file1, 
char *file2)
+                               return (-1);
+                       }
+               } else {
+-                      /* XXX this is wrong wrt quoting */
+-                      snprintf(cmd, sizeof cmd, "get%s %s%s%s",
+-                          global_aflag ? " -a" : "", dir,
+-                          file2 == NULL ? "" : " ",
+-                          file2 == NULL ? "" : file2);
+-                      err = parse_dispatch_command(conn, cmd,
+-                          &remote_path, startdir, 1, 0);
++                      err = process_get(conn, dir, file2, remote_path, 0, 0,
++                          global_aflag, 0);
+                       free(dir);
+                       free(startdir);
+                       free(remote_path);
diff --git a/meta/recipes-connectivity/openssh/openssh_9.6p1.bb 
b/meta/recipes-connectivity/openssh/openssh_9.6p1.bb
index 8f44d4b9878..37f4dc20dd9 100644
--- a/meta/recipes-connectivity/openssh/openssh_9.6p1.bb
+++ b/meta/recipes-connectivity/openssh/openssh_9.6p1.bb
@@ -40,6 +40,7 @@ SRC_URI = 
"http://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/openssh-${PV}.tar
            file://CVE-2026-59999.patch \
            file://CVE-2026-59997.patch \
            file://CVE-2026-59996.patch \
+           file://CVE-2026-59995.patch \
            "
 SRC_URI[sha256sum] = 
"910211c07255a8c5ad654391b40ee59800710dd8119dd5362de09385aa7a777c"
 
-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#241991): 
https://lists.openembedded.org/g/openembedded-core/message/241991
Mute This Topic: https://lists.openembedded.org/mt/120450101/21656
Group Owner: [email protected]
Unsubscribe: https://lists.openembedded.org/g/openembedded-core/unsub 
[[email protected]]
-=-=-=-=-=-=-=-=-=-=-=-

Reply via email to