dns_internal.cc in Squid 3.1.6, when IPv6 DNS resolution is not enabled, accesses an invalid socket during an IPv4 TCP DNS query, which allows remote attackers to cause a denial of service (assertion failure and daemon exit) via vectors that trigger an IPv4 DNS response with the TC bit set.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Gentoo Linux | — | Upgrade net-proxy/squid. | Oct 30, 2017 | Oct 12, 2010 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Aug 18, 2010 |
| Ubuntu | — | Upgrade squid3 | Nov 19, 2024 | Oct 12, 2010 |
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