pngcheck is vulnerable to denial of service (DoS). The vulnerability exists through check_chunk_name()
when parsing a file.
bodhi.fedoraproject.org/updates/FEDORA-2020-04d5e1ce26
bodhi.fedoraproject.org/updates/FEDORA-2020-23432b7b72
bodhi.fedoraproject.org/updates/FEDORA-2020-27b168926a
bodhi.fedoraproject.org/updates/FEDORA-2020-4349e95c4f
bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-339db397ad
bodhi.fedoraproject.org/updates/FEDORA-EPEL-2020-6c93c61069
bugzilla.redhat.com/show_bug.cgi?id=1902011
lists.debian.org/debian-lts-announce/2022/05/msg00043.html
security-tracker.debian.org/tracker/CVE-2020-27818