Provide references for CVE-2019-17371.
Where can I find more information about CVE-2019-17371?
References are available at: https://github.com/glennrp/libpng/issues/307, https://github.com/glennrp/libpng/issues/307#issuecomment-544779431, https://gitlab.com/esr/gif2png/issues/8.