[SECURITY] Heap Use-After-Free in FT_Bitmap_Copy

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Hey FreeType,

We have located a potential vulnerability: Heap Use-After-Free in
FT_Bitmap_Copy via Lazy Bitmap Ownership Transfer.

We did not find a security report page for FreeType so we sent this email
to you. Here is an md file of this bug with PoC and a Fix.

Best,
Ze Sheng

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<div dir=3D"ltr">Hey FreeType,<br><div><br></div><div>We have located a pot=
ential vulnerability:=C2=A0Heap Use-After-Free in FT_Bitmap_Copy via Lazy B=
itmap Ownership Transfer.<br></div><div><br></div><div>We did not find a se=
curity report page for FreeType so we sent this email to you. Here is an md=
 file of this bug with PoC and a Fix.</div><div><br></div><div>Best,</div><=
div>Ze Sheng</div></div>

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