Azure Linux 3.0 Security Update: fltk (CVE-2019-7317)

The version of fltk installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2019-7317 advisory. - pngimagefree in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because pngimagefreefunction is called...