From 39d14a0dbc674a7ab0547d0602d0279f67718c5b Mon Sep 17 00:00:00 2001
From: Mengxi-Xu <109797814+Mengxi-Xu@users.noreply.github.com>
Date: Tue, 4 Aug 2026 14:58:23 +0800
Subject: [PATCH] Handle zero dimensions in Offset.c

https://github.com/python-pillow/Pillow/security/advisories/GHSA-f87v-9578-p47w
---
 src/libImaging/Offset.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libImaging/Offset.c b/src/libImaging/Offset.c
index 91ee91083cc..ee6c13593c6 100644
--- a/src/libImaging/Offset.c
+++ b/src/libImaging/Offset.c
@@ -33,6 +33,9 @@ ImagingOffset(Imaging im, int xoffset, int yoffset) {
     ImagingCopyPalette(imOut, im);
 
     /* make offsets positive to avoid negative coordinates */
+    if (im->xsize == 0 || im->ysize == 0) {
+        return imOut;
+    }
     xoffset %= im->xsize;
     xoffset = im->xsize - xoffset;
     if (xoffset < 0) {