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From a8fabf850c3c5164520c307199e9abc5ded45e4c Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Sat, 23 Aug 2025 17:26:53 +1000
Subject: [PATCH] fixed an invalid access to files array
this was found by Calum Hutton from Rapid7. It is a real bug, but
analysis shows it can't be leverged into an exploit. Worth fixing
though.
Many thanks to Calum and Rapid7 for finding and reporting this
CVE: CVE-2025-10158
Upstream-Status: Backport [https://github.com/RsyncProject/rsync/commit/797e17fc4a6f15e3b1756538a9f812b63942686f]
Signed-off-by: Liyin Zhang <liyin.zhang.cn@windriver.com>
---
sender.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sender.c b/sender.c
index a4d46c39..b1588b70 100644
--- a/sender.c
+++ b/sender.c
@@ -262,6 +262,8 @@ void send_files(int f_in, int f_out)
if (ndx - cur_flist->ndx_start >= 0)
file = cur_flist->files[ndx - cur_flist->ndx_start];
+ else if (cur_flist->parent_ndx < 0)
+ exit_cleanup(RERR_PROTOCOL);
else
file = dir_flist->files[cur_flist->parent_ndx];
if (F_PATHNAME(file)) {
--
2.35.5
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