From a91eccbf882c8f96b380349cae21a291bfdff18c Mon Sep 17 00:00:00 2001
From: Stefan Metzmacher <metze@samba.org>
Date: Mon, 11 May 2026 14:11:34 +0200
Subject: [PATCH 19/27] CVE-2026-4480: docs-xml/smbdotconf: clarify '%J' in
 'print command'

Admins should use '%J'.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=16033

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
---
 docs-xml/smbdotconf/printing/printcommand.xml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/docs-xml/smbdotconf/printing/printcommand.xml b/docs-xml/smbdotconf/printing/printcommand.xml
index c84e45f404d..d708287932a 100644
--- a/docs-xml/smbdotconf/printing/printcommand.xml
+++ b/docs-xml/smbdotconf/printing/printcommand.xml
@@ -21,8 +21,11 @@
     <para>%p - the appropriate printer 
     name</para>
 
-    <para>%J - the job 
-    name as transmitted by the client.</para>
+    <para>%J - the job name as transmitted by the client,
+    but with dangerous characters being replaced by _.
+    You should use single quotes (directly) around %J, e.g. '%J',
+    see CVE-2026-4480 for more details.
+    </para>
 
     <para>%c - The number of printed pages
     of the spooled job (if known).</para>
-- 
2.43.0


