From acd8b0c2acfa1c69f91a14d5881a7f9bf436900f Mon Sep 17 00:00:00 2001
From: Andrew Murray <3112309+radarhere@users.noreply.github.com>
Date: Wed, 25 Jun 2025 09:09:31 +1000
Subject: [PATCH] Fix libtiff cleanup (#9002)

---
 src/libImaging/TiffDecode.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/libImaging/TiffDecode.c b/src/libImaging/TiffDecode.c
index 2e83fb847..e289ce405 100644
--- a/src/libImaging/TiffDecode.c
+++ b/src/libImaging/TiffDecode.c
@@ -1032,7 +1032,10 @@ ImagingLibTiffEncode(Imaging im, ImagingCodecState state, UINT8 *buffer, int byt
                 TRACE(("Encode Error, row %d\n", state->y));
                 state->errcode = IMAGING_CODEC_BROKEN;
 
-                if (!clientstate->fp) {
+                if (clientstate->fp) {
+                    TIFFCleanup(tiff);
+                    clientstate->tiff = NULL;
+                } else {
                     free(clientstate->data);
                 }
                 return -1;