ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

usp10: Range check glyph counts in GPOS_apply_ContextPos(). 

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Henri Verbeet 2017-04-17 20:26:58 +02:00 committed by Alexandre Julliard
parent d1ca880ec4
commit 1b02c1ac50
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
dlls/usp10/opentype.c
View File

@ -2166,12 +2166,18 @@ static unsigned int GPOS_apply_ContextPos(const ScriptCache *script_cache, const
{
const GPOS_PosClassRule_1 *pr;
const GPOS_PosClassRule_2 *pr_2;
unsigned int g;
int g_count, l;
offset = GET_BE_WORD(pcs->PosClassRule[k]);
pr = (const GPOS_PosClassRule_1*)((const BYTE*)pcs+offset);
g_count = GET_BE_WORD(pr->GlyphCount);
TRACE("PosClassRule has %i glyphs classes\n",g_count);
g = glyph_index + write_dir * (g_count - 1);
if (g >= glyph_count)
continue;
for (l = 0; l < g_count-1; l++)
{
int g_class = OT_get_glyph_class(glyph_class_table, glyphs[glyph_index + (write_dir * (l+1))]);