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The remote SMTP server has multiple buffer overflow vulnerabilities.
The remote version of Exim has multiple remote stack-based buffer
overflow vulnerabilities when header syntax checking is enabled. It
should be noted that this is not the default configuration. A remote
attacker could exploit this to execute arbitrary code.
See also :
Upgrade to Exim 4.32 or later, or disable header syntax checking in
Risk factor :
Medium / CVSS Base Score : 6.8