Re: CVE request: heap corruption in libpango

[Josh Bressers <bressers () redhat com>]

Please use CVE-2011-0020 for this.

Thanks.

-- 
    JB

----- Original Message -----
> From Launchpad [1]:
>
> "When used with FreeType2 as a backend, Pango is vulnerable to heap
> corruption when rendering malformed fonts. The vulnerability occurs in
> pango_ft2_font_render_box_glyph() in pango/pangoft2-render.c. A buffer
> is malloc'd with size box->bitmap.rows * box->bitmap.pitch.
> Subsequently, 0xff is written at offsets into this buffer without
> checking that these offsets fall within the buffer's boundaries,
> leading to heap corruption."
>
> -Dan
>
> [1] https://bugs.launchpad.net/ubuntu/+source/pango1.0/+bug/696616