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freetype2
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Code Issues 4 Releases Wiki Activity

* src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter again. 

Problem reported by Marek Kašík <mkasik@redhat.com>.

The problematic font that exceeds the old limit is Padauk-Bold,
version 3.002, containing bytecode generated by a buggy version of
ttfautohint.
This commit is contained in:
Werner Lemberg 2017-06-01 07:09:44 +02:00
parent e66d7300fe
commit 8d435c463d
2 changed files with 11 additions and 2 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2017-06-01 Werner Lemberg <wl@gnu.org>
* src/truetype/ttinterp.c (TT_RunIns): Adjust loop counter again.
Problem reported by Marek Kašík <mkasik@redhat.com>.
The problematic font that exceeds the old limit is Padauk-Bold,
version 3.002, containing bytecode generated by a buggy version of
ttfautohint.
2017-05-31 Werner Lemberg <wl@gnu.org>
[cff] 32bit integer overflow run-time errors 2/2 (#46149).

3
src/truetype/ttinterp.c
View File

@ -7649,8 +7649,7 @@
FT_MAX( 50,
exc->cvtSize / 10 );
else
exc->loopcall_counter_max = FT_MAX( 100,
10 * exc->cvtSize );
exc->loopcall_counter_max = 300 + 8 * exc->cvtSize;
/* as a protection against an unreasonable number of CVT entries */
/* we assume at most 100 control values per glyph for the counter */