CVE-2007-4538: Mozilla Bugzilla

Medium severity, CVSS 5.0. EPSS: 1.9% chance of exploitation in the next 30 days.

email_in.pl in Bugzilla 2.23.4 through 3.0.0 allows remote attackers to execute arbitrary commands via the -f (From address) option to the Email::Send::Sendmail function, probably involving shell metacharacters.

Affected products

• Mozilla Bugzilla: version 2.4 only; version 2.6 only; version 2.8 only; version 2.9 only; version 2.23.4 only; version 3.0.0 only

Published 2007-08-27. Last modified 2026-06-16.