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In multiple functions of ftsmooth.c, there is a possible memory safety issue due to improper casting. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.
In ttfacecolrblendlayer of ttcolr.c, there is a possible remote code execution due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.