Known vulnerabilities in libpng-dev (Ubuntu package) 1.6.34-1ubuntu0.18.04.2

1.6.37-3ubuntu0.5 1.6.43-5ubuntu0.4 1.6.37-3ubuntu0.4 1.6.43-5ubuntu0.3 1.6.37-3ubuntu0.3 1.6.43-5ubuntu0.1 1.6.37-3ubuntu0.1 1.6.50-1 1.6.50-1~exp1 1.6.47-1.1 1.6.44-1 1.6.43-5build1 1.6.37-3build5 1.6.37-2 1.6.34-1 1.6.37-1 1.6.34-2ubuntu0.1 1.6.34-1ubuntu0.18.04.2 1.6.36-6