Integer underflow in the add_pseudoheader function in dnsmasq before 2.78 , when the --add-mac, --add-cpe-id or --add-subnet option is specified, allows remote attackers to cause a denial of service via a crafted DNS request.
CVSS Details
- CVSS 3.0 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade dnsmasq | Aug 22, 2024 | Oct 2, 2017 |
| Amazon Linux Ami 2 | — | Upgrade dnsmasq-debuginfoUpgrade dnsmasqUpgrade dnsmasq-utils | Apr 27, 2020 | Oct 3, 2017 |
| Amazon_linux | — | Upgrade dnsmasq | Oct 3, 2017 | Oct 2, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Oct 2, 2017 |
| Centos_linux | — | Upgrade dnsmasq-utilsUpgrade dnsmasqUpgrade dnsmasq-debuginfo | Oct 3, 2017 | Oct 2, 2017 |
| Debian | — | Upgrade dnsmasq | Oct 3, 2017 | Oct 2, 2017 |
| Dnsmasq | — | Upgrade DNSMasq to the latest version | Oct 2, 2017 | Oct 2, 2017 |
| Freebsd | — | Upgrade dnsmasqUpgrade dnsmasq-devel | Oct 2, 2017 | Oct 2, 2017 |
| Gentoo Linux | — | Upgrade net-dns/dnsmasq. | Oct 30, 2017 | Oct 2, 2017 |
| Huawei Euleros 2_0_sp2 | — | Upgrade dnsmasqUpgrade dnsmasq-utils | Sep 27, 2018 | Oct 2, 2017 |
| Oracle Solaris | — | Upgrade service/network/dnsmasq to version 2.78-0.175.3.27.0.4.0 on Solaris 11.3 | Dec 19, 2017 | Oct 2, 2017 |
| Oracle_linux | — | Upgrade dnsmasqUpgrade dnsmasq-utils | Oct 2, 2017 | Oct 2, 2017 |
| Redhat_linux | — | Upgrade dnsmasqUpgrade dnsmasq-utilsUpgrade dnsmasq-debuginfo | Oct 4, 2017 | Oct 2, 2017 |
| Suse | — | Upgrade dnsmasq | Oct 2, 2017 | Oct 2, 2017 |
| Ubuntu | — | Upgrade dnsmasq-baseUpgrade dnsmasqUpgrade dnsmasq-utils | Oct 2, 2017 | Oct 2, 2017 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 2, 2017 |
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