[cairo-bugs] [Bug 101547] Heap buffer overflow at cairo-truetype-subset.c:1299, CVE-2017-9814

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101547

--- Comment #4 from Adrian Johnson <ajohnson at redneon.com> ---
Created attachment 132563
  --> https://bugs.freedesktop.org/attachment.cgi?id=132563&action=edit
Replace malloc() with _cairo_malloc()

> The solution could be to check for the size, or to use a malloc wrapper
> that handle the size = 0 case and returns NULL.

We already have a wrapper that checks size = 0: _cairo_malloc(). It has not
been used consistently. The attached patch replaces all calls to malloc() with
_cairo_malloc().

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