https://bugzilla.redhat.com/show_bug.cgi?id=1281756
--- Doc Text *updated* by Martin Prpic <mprpic(a)redhat.com> ---
It was discovered that the png_get_PLTE() and png_set_PLTE() functions of libpng did not
correctly calculate the maximum palette sizes for bit depths of less than 8. In case an
application tried to use these functions in combination with properly calculated palette
sizes, this could lead to a buffer overflow or out-of-bounds reads. An attacker could
exploit this to cause a crash or potentially execute arbitrary code by tricking an
unsuspecting user into processing a specially crafted PNG image. However, the exact impact
is dependent on the application using the library.
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