A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade dnsmasqUpgrade dnsmasq-utils | May 27, 2026 | May 19, 2026 |
| Alpine Linux | — | Upgrade dnsmasq | May 15, 2026 | May 11, 2026 |
| Amazon Linux Ami 2 | — | Upgrade dnsmasqUpgrade dnsmasq-utilsUpgrade dnsmasq-debuginfo | Jun 8, 2026 | Jun 8, 2026 |
| Amazon_linux_2023 | — | Upgrade dnsmasq-debuginfoUpgrade dnsmasq-debugsourceUpgrade dnsmasqUpgrade dnsmasq-utils-debuginfoUpgrade dnsmasq-utils | May 28, 2026 | May 11, 2026 |
| Debian | — | Upgrade dnsmasq | May 12, 2026 | May 12, 2026 |
| Freebsd | — | Upgrade dnsmasqUpgrade dnsmasq-devel | May 13, 2026 | May 11, 2026 |
| Gentoo Linux | — | Upgrade net-dns/dnsmasq. | Aug 16, 2026 | Aug 13, 2026 |
| Oracle_linux | — | Upgrade dnsmasq-utilsUpgrade dnsmasq | May 28, 2026 | May 11, 2026 |
| Redhat Openshift | — | Upgrade rhcos | Aug 10, 2026 | May 9, 2026 |
| Redhat_linux | — | Upgrade dnsmasq-debuginfoUpgrade dnsmasq-debugsourceNo solution existsUpgrade dnsmasqUpgrade dnsmasq-utilsUpgrade dnsmasq-utils-debuginfo | May 20, 2026 | May 9, 2026 |
| Rocky_linux | — | Upgrade dnsmasq-utils-debuginfoUpgrade dnsmasqUpgrade dnsmasq-debugsourceUpgrade dnsmasq-debuginfoUpgrade dnsmasq-utils | Jun 1, 2026 | May 29, 2026 |
| Suse | — | Upgrade dnsmasqUpgrade dnsmasq-utils | May 26, 2026 | May 18, 2026 |
| Ubuntu | — | Upgrade dnsmasq (Ubuntu Pro)Upgrade dnsmasq | May 25, 2026 | May 12, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 29, 2026 | May 11, 2026 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub