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Description: Filename buffer overflow fix
This patch fixes a security hole by a bad buffer size handling.
Author: Roland Stigge <stigge@antcom.de>
Bug-Debian: http://bugs.debian.org/645118
--- a/src/libjasper/include/jasper/jas_stream.h
+++ b/src/libjasper/include/jasper/jas_stream.h
@@ -77,6 +77,7 @@
#include <jasper/jas_config.h>
#include <stdio.h>
+#include <limits.h>
#if defined(HAVE_FCNTL_H)
#include <fcntl.h>
#endif
@@ -99,6 +100,12 @@ extern "C" {
#define O_BINARY 0
#endif
+#ifdef PATH_MAX
+#define JAS_PATH_MAX PATH_MAX
+#else
+#define JAS_PATH_MAX 4096
+#endif
+
/*
* Stream open flags.
*/
@@ -251,7 +258,7 @@ typedef struct {
typedef struct {
int fd;
int flags;
- char pathname[L_tmpnam + 1];
+ char pathname[JAS_PATH_MAX + 1];
} jas_stream_fileobj_t;
#define JAS_STREAM_FILEOBJ_DELONCLOSE 0x01
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