There are currently no open bugs.

"libpng1.6" versions published in Ubuntu

Disco-proposed (1.6.36-3): main/misc
Disco (1.6.36-2): main/misc
Cosmic (1.6.34-2): main/misc
Bionic-updates (1.6.34-1ubuntu0.18.04.1): main/misc
Bionic-security (1.6.34-1ubuntu0.18.04.1): main/misc
Bionic (1.6.34-1): main/misc
Xenial (1.6.20-2): universe/misc