CVE-2001-0142

squid 2.3 and earlier allows local users to overwrite arbitrary files via a symlink attack in some configurations.

CVE-1999-1481

Squid 2.2.STABLE5 and below, when using external authentication, allows attackers to bypass access controls via a newline in the user/password pair.

CVE-1999-1273

Squid Internet Object Cache 1.1.20 allows users to bypass access control lists (ACLs) by encoding the URL with hexadecimal escape sequences.