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* src/truetype/ttgxvar.c (TT_Get_MM_Var): Check axis data. 

Reported as

  https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=348
This commit is contained in:
Werner Lemberg 2016-12-29 21:34:46 +01:00
parent 180185109b
commit 91fc3bd7c9
2 changed files with 19 additions and 0 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2016-12-29 Werner Lemberg <wl@gnu.org>
* src/truetype/ttgxvar.c (TT_Get_MM_Var): Check axis data.
Reported as
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=348
2016-12-29 Werner Lemberg <wl@gnu.org>
[truetype] Tracing fixes.

11
src/truetype/ttgxvar.c
View File

@ -1435,6 +1435,17 @@
a->name[3] = (FT_String)( ( a->tag ) & 0xFF );
a->name[4] = '\0';
if ( a->minimum > a->def ||
a->def > a->maximum )
{
FT_TRACE2(( "TT_Get_MM_Var:"
" invalid \"%s\" axis record; disabling\n",
a->name ));
a->minimum = a->def;
a->maximum = a->def;
}
FT_TRACE5(( " \"%s\": minimum=%.5f, default=%.5f, maximum=%.5f\n",
a->name,
a->minimum / 65536.0,