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From ed141286a37f6e5ddafb5069347ff5d587e7a4e0 Mon Sep 17 00:00:00 2001
From: Su_Laus <sulau@freenet.de>
Date: Fri, 8 Aug 2025 21:35:30 +0200
Subject: [PATCH] tiffcmp: fix memory leak when second file cannot be opened.
Closes #728, #729
CVE: CVE-2025-9165
Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/ed141286a37f6e5ddafb5069347ff5d587e7a4e0]
Signed-off-by: Peter Marko <peter.marko@siemens.com>
---
tools/tiffcmp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/tiffcmp.c b/tools/tiffcmp.c
index 529c1cdc..88d9470f 100644
--- a/tools/tiffcmp.c
+++ b/tools/tiffcmp.c
@@ -105,7 +105,10 @@ int main(int argc, char *argv[])
return (2);
tif2 = TIFFOpen(argv[optind + 1], "r");
if (tif2 == NULL)
+ {
+ TIFFClose(tif1);
return (2);
+ }
dirnum = 0;
while (tiffcmp(tif1, tif2))
{
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