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"
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