dhcp is vulnerable to denial of service. An attacker may crash the application by sending malicious DHCP messages with long lease statements that, when stored locally on file and then re-read by dhclient or dhcpd, would cause heap-based buffer overflow.
www.openwall.com/lists/oss-security/2021/05/26/6
access.redhat.com/errata/RHSA-2021:2357
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1963258
cert-portal.siemens.com/productcert/pdf/ssa-406691.pdf
kb.isc.org/docs/cve-2021-25217
lists.debian.org/debian-lts-announce/2021/06/msg00002.html
lists.fedoraproject.org/archives/list/[email protected]/message/5QI4DYC7J4BGHEW3NH4XHMWTHYC36UK4/
lists.fedoraproject.org/archives/list/[email protected]/message/Z2LB42JWIV4M4WDNXX5VGIP26FEYWKIF/
security.netapp.com/advisory/ntap-20220325-0011/