check for corrupt DJVU images (https://github.com/ImageMagick/ImageMa…

…gick/security/advisories/GHSA-wv9p-78jx-g7fv)
ImageMagick · Dec 14, 2023 · e76a9d6 · e76a9d6
1 parent d438d68
commit e76a9d6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/coders/djvu.c b/coders/djvu.c
@@ -609,6 +609,8 @@ static Image *ReadOneDJVUImage(LoadContext* lc,const int pagenum,
                 if (tag == 0) break;
         } while (!ddjvu_page_decoding_done(lc->page));
 
+        if (ddjvu_page_decoding_error(lc->page) != 0)
+          ThrowReaderException(CorruptImageError,"CorruptImage");
         ddjvu_document_get_pageinfo(lc->document, pagenum, &info);
 
         image->x_resolution = (float) info.dpi;