package/lcms2/0002-Added-an-extra-check-to-MLU-bounds.patch

   1 From 5ca71a7bc18b6897ab21d815d15e218e204581e2 Mon Sep 17 00:00:00 2001
   2 From: Marti <marti.maria@tktbrainpower.com>
   3 Date: Mon, 15 Aug 2016 23:31:39 +0200
   4 Subject: [PATCH] Added an extra check to MLU bounds
   5
   6 Thanks to Ibrahim el-sayed for spotting the bug
   7
   8 Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
   9 ---
  10  src/cmstypes.c | 1 +
  11  1 file changed, 1 insertion(+)
  12
  13 diff --git a/src/cmstypes.c b/src/cmstypes.c
  14 index cb61860..c7328b9 100644
  15 --- a/src/cmstypes.c
  16 +++ b/src/cmstypes.c
  17 @@ -1460,6 +1460,7 @@ void *Type_MLU_Read(struct _cms_typehandler_struct* self, cmsIOHANDLER* io, cmsU
  18
  19          // Check for overflow
  20          if (Offset < (SizeOfHeader + 8)) goto Error;
  21 +        if ((Offset + Len) > SizeOfTag + 8) goto Error;
  22
  23          // True begin of the string
  24          BeginOfThisString = Offset - SizeOfHeader - 8;
  25 --
  26 2.11.0
  27