From: Stefan Esser <sesser@php.net>
Date: Tue, 1 Mar 2005 13:53:02 +0000 (+0000)
Subject: Handle last or broken JP2 boxes correctly.
X-Git-Tag: RELEASE_0_3~112
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=14abc19a76cc2ac56f476b7a5dbfcd4d042dabdb;p=php

Handle last or broken JP2 boxes correctly.
---

diff --git a/ext/standard/image.c b/ext/standard/image.c
index 07f13f8048..a049284dfb 100644
--- a/ext/standard/image.c
+++ b/ext/standard/image.c
@@ -708,6 +708,11 @@ static struct gfxinfo *php_handle_jp2(php_stream *stream TSRMLS_DC)
 			break;
 		}
 
+		/* Stop if this was the last box */
+		if ((int)box_length <= 0) {
+			break;
+		}
+
 		/* Skip over LBox (Which includes both TBox and LBox itself */
 		if (php_stream_seek(stream, box_length - 8, SEEK_CUR)) {
 			break;