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 18 Feb 2008 06:28:01 PM UTC  
Severity:  3 - Normal Item Group:  Crash
Status:  Fixed Privacy:  Public
Assigned to:  Werner LEMBERG <wl> Open/Closed:  Closed
Planned Release:  None

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Mon 18 Feb 2008 08:35:03 PM UTC, comment #1:

Applied, thanks.

Werner LEMBERG <wl>
Project AdministratorIn charge of this item.
Mon 18 Feb 2008 06:28:01 PM UTC, 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 Files:

Attached Files
file #15069:  1.ttf added by haypo (201KiB - 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


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    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2008-02-18 wl StatusNone => Fixed
        Assigned toNone => wl
        Open/ClosedOpen => Closed
    2008-02-18 haypo Attached File- => Added 1.ttf, #15069
    2008-02-18 haypo Attached File- => Added freetype.patch, #15068

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