The tcp_request function in Dnsmasq before 2.73rc4 does not properly handle the return value of the setup_reply function, which allows remote attackers to read process memory and cause a denial of service (out-of-bounds read and crash) via a malformed DNS request.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade dnsmasq | Jul 30, 2024 | May 8, 2015 |
| Freebsd | — | Upgrade dnsmasq-develUpgrade dnsmasq | Dec 10, 2025 | May 23, 2015 |
| Gentoo Linux | — | Upgrade net-dns/dnsmasq. | Oct 30, 2017 | May 8, 2015 |
| Huawei Euleros 2_0_sp1 | — | Upgrade dnsmasq | Nov 30, 2017 | May 8, 2015 |
| Oracle Solaris | — | Upgrade cloud/openstack/horizon to version 0.2014.2.2-0.175.2.12.0.2.0 on Solaris 11.2Upgrade service/network/dnsmasq to version 2.68-0.175.2.12.0.2.0 on Solaris 11.2 | May 29, 2017 | May 8, 2015 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Apr 23, 2015 |
| Suse | — | Upgrade dnsmasq | Dec 18, 2015 | May 8, 2015 |
| Ubuntu | — | Upgrade dnsmasq-utilsUpgrade dnsmasqUpgrade dnsmasq-base | Nov 8, 2024 | May 8, 2015 |
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