Threats tagged 'ghsa-986v-7qw9-p5p6'

CVE-2026-19655 is a medium severity vulnerability in Arista Networks EOS affecting versions 4.33.0 through before 4.33.10M, 4.34.0 through before 4.34.8M, and 4.35.0 through before 4.35.6M. It involves improper input validation in the DHCP relay/snooping feature when configured with the information option (Option 82). An unauthenticated attacker on a client-facing VLAN where DHCP relay is configured can send a crafted packet that causes the DHCP Relay service to restart, resulting in denial of service.