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CVE-2026-6507

HIGH CVSS: 7.5 Published: 2026-04-17 Modified: 2026-06-17

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).

Affected Platforms

Unknown

Weakness Type

CWE-787

References