CVE-2026-6507: Dnsmasq: dnsmasq: denial of service due to out-of-bounds write in dhcp bootreply processing

Overview

Severity

High (CVSS 7.5)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Apr

Released

2026-04-23

EPSS Score

0.03% (percentile: 9.6%)

Affected Products (2)

Other

• 21230-17084
• 21231-17086

Revision History

• 2026-04-23: Information published.