Squid 2.5 up to 2.5.STABLE7 allows remote attackers to poison the cache or conduct certain attacks via headers that do not follow the HTTP specification, including (1) multiple Content-Length headers, (2) carriage return (CR) characters that are not part of a CRLF pair, and (3) header names containing whitespace characters.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade squid | Jul 30, 2024 | Feb 7, 2005 |
| Freebsd | — | Upgrade squid | Dec 10, 2025 | Jan 24, 2005 |
| Gentoo Linux | — | Upgrade net-proxy/squid. | Oct 30, 2017 | Feb 7, 2005 |
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