Security Advisory

CVE-2026-6507

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-04-17 12:23:31

Last updated 2026-04-20 14:59:06

Assigner redhat

CVSS score not scored

State PUBLISHED

Description

A flaw was found in dnsmasq. A remote attacker could exploit an out-of-bounds write vulnerability by sending a specially crafted BOOTREPLY (Bootstrap Protocol Reply) packet to a dnsmasq server configured with the `--dhcp-split-relay` option. This can lead to memory corruption, causing the dnsmasq daemon to crash and resulting in a denial of service (DoS).

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