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.
| Software | From | Fixed in |
|---|---|---|
| thekelleys / dnsmasq | - | 2.73.x |
| oracle / solaris | 11.2 | 11.2.x |