High (7.5). EPSS 85% chance of exploitation in the next 30 days.
Memory leak in dnsmasq before 2.78, when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service (memory consumption) via vectors involving DNS response creation.
Severity
CVSS 3.0
7.5 high
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
85% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)