lldpd is denial of service(DoS). The buffer overflow in the lldp_decode function in daemon/protocols/lldp.c.
www.openwall.com/lists/oss-security/2015/10/16/2
www.openwall.com/lists/oss-security/2015/10/30/2
access.redhat.com/errata/RHSA-2020:5611
access.redhat.com/security/updates/classification/#important
cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
github.com/vincentbernat/lldpd/commit/dd4f16e7e816f2165fba76e3d162cd8d2978dcb2
lists.debian.org/debian-lts-announce/2021/02/msg00032.html
lists.fedoraproject.org/archives/list/[email protected]/message/UJ4DXFJWMZ325ECZXPZOSK7BOEDJZHPR/
us-cert.cisa.gov/ics/advisories/icsa-21-194-07
www.debian.org/security/2021/dsa-4836