CVE-2015-7981EPSS 1.7%libpng - security update發布日:2015/11/17修改日:2026/3/9受影響套件(2)Debian/libpngfrom 0, < 1.2.44-1+squeeze5Debian/libpngfrom 0, < 1.2.49-1+deb7u1