File CVE-2019-15757.patch of Package libmirage

Origin: https://gist.github.com/andreafioraldi/343d9ba64060b548c02362a5e61ec932

---
 images/image-nrg/parser.c |    7 +++++++
 1 file changed, 7 insertions(+)

Index: libmirage-3.2.3/images/image-nrg/parser.c
===================================================================
--- libmirage-3.2.3.orig/images/image-nrg/parser.c
+++ libmirage-3.2.3/images/image-nrg/parser.c
@@ -987,6 +987,13 @@ static MirageDisc *mirage_parser_nrg_loa
     /* Set CD-ROM as default medium type, will be changed accordingly if there
        is a MTYP block provided */
     mirage_disc_set_medium_type(self->priv->disc, MIRAGE_MEDIUM_CD);
+    /* Length integrity check */
+    if (self->priv->nrg_data_length == 0) {
+        MIRAGE_DEBUG(self, MIRAGE_DEBUG_WARNING, "%s: rg_data_length must be greater than 0!\n", __debug__);
+        g_set_error(error, MIRAGE_ERROR, MIRAGE_ERROR_IMAGE_FILE_ERROR, Q_("nrg_data_length must be greater than 0!"));
+        succeeded = FALSE;
+        goto end;
+    }
 
     /* Validate data length */
     if (self->priv->nrg_data_length == 0) {