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sendmail -- race condition vulnerability


Problem Description

A race condition has been reported to exist in the handling by sendmail of asynchronous signals.


A remote attacker may be able to execute arbitrary code with the privileges of the user running sendmail, typically root.


There is no known workaround other than disabling sendmail.



portaudit: sendmail -- race condition vulnerability

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If you have found a vulnerability in a FreeBSD port not listed in the database, please contact the FreeBSD Security Officer. Refer to "FreeBSD Security Information" for more information.

Oliver Eikemeier <>