From 87f619bcd066a3c8e8fae4addb99f15d496ae881 Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Sun, 22 Feb 2026 19:02:12 -0500
Subject: [PATCH] 
 https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wj8w-pjxf-9g4f

---
 coders/jbig.c | 7 +++++++
 1 file changed, 7 insertions(+)

Index: ImageMagick-7.1.1-21/coders/jbig.c
===================================================================
--- ImageMagick-7.1.1-21.orig/coders/jbig.c
+++ ImageMagick-7.1.1-21/coders/jbig.c
@@ -200,6 +200,13 @@ static Image *ReadJBIGImage(const ImageI
       length-=(ssize_t) count;
     }
   } while ((status == JBG_EAGAIN) || (status == JBG_EOK));
+  if (status != JBG_EOK)
+    {
+      jbg_dec_free(&jbig_info);
+      buffer=(unsigned char *) RelinquishMagickMemory(buffer);
+      ThrowReaderException(CorruptImageError,"UnableToReadImageData");
+    }
+
   /*
     Create colormap.
   */