bugThe FreeType Project - Bugs: bug #22356, TrueType: crash in Ins_IUP()


bug #22356: TrueType: crash in Ins_IUP()

Submitted by:  STINNER Victor <haypo>
Submitted on:  Mon Feb 18 18:28:01 2008  
Severity: 3 - NormalItem Group: Crash
Status: FixedPrivacy: Public
Assigned to: Werner LEMBERG <wl>Open/Closed: Closed
Planned Release: None

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Mon Feb 18 20:35:03 2008, comment #1:

Applied, thanks.

Werner LEMBERG <wl>
Project AdministratorIn charge of this item.
Mon Feb 18 18:28:01 2008, original submission:


I found a bug in FreeType2 using fuzzing: Ins_IUP() reads outside CUR.pts.tags buffer because point/max_point is not checked.

I wrote a simple patch to fix the crash.

STINNER Victor <haypo>


(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach File(s):

Attached Files
file #15069:  1.ttf added by haypo (201kB - application/x-font-ttf - File to reproduce the crash using Image Magick: identify 1.ttf)
file #15068:  freetype.patch added by haypo (436B - text/x-diff - Fix the crash)


Depends on the following items: None found

Items that depend on this one: None found


Carbon-Copy List
  • -unavailable- added by wl (Posted a comment)
  • -unavailable- added by haypo (Submitted the item)

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    Follow 5 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Mon Feb 18 20:35:03 2008wlStatusNone=>Fixed
      Assigned toNone=>wl
    Mon Feb 18 18:28:46 2008haypoAttached File-=>Added 1.ttf, #15069
    Mon Feb 18 18:28:01 2008haypoAttached File-=>Added freetype.patch, #15068

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