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The idnsGrokReply function in Squid before 3.1.16 does not properly free memory, which allows remote attackers to cause a denial of service (daemon abort) via a DNS reply containing a CNAME record that references another CNAME record that contains an empty A record.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade squid | Dec 1, 2016 | Nov 17, 2011 |
| Gentoo Linux | — | Upgrade net-proxy/squid. | Oct 30, 2017 | Nov 17, 2011 |
| Oracle_linux | — | Upgrade squid | Oct 16, 2024 | Nov 17, 2011 |
| Suse | — | Upgrade squid3 | Dec 12, 2013 | Jun 28, 2013 |
| Ubuntu | — | Upgrade squid3 | Nov 19, 2024 | Nov 17, 2011 |
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