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
- 0.05% (percentile: 14.9%)
Affected Products (2)
Open Source Software
- azl3 dnsmasq 2.90-1 on Azure Linux 3.0
- cbl2 dnsmasq 2.90-1 on CBL Mariner 2.0
Revision History
- 2026-04-23: Information published.