CVE-2026-6507

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).

• CWE-787

• https://access.redhat.com/security/cve/CVE-2026-6507
• https://bugzilla.redhat.com/show_bug.cgi?id=2459181

Published

Apr 17, 2026

Last Modified

Sep 1, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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