PT-2026-44137

Description Symfony Mailer selects a transport via the MAILER DSN environment variable / configuration e.g. smtp://..., sendmail://..., native://default. SendmailTransport invokes the local sendmail binary and supports two modes: -bs speak SMTP over stdin: the default and -t read the message on...

Arbitrary Argument Injection

Overview Affected versions of this package are vulnerable to Arbitrary Argument Injection via recipient handling in SendmailTransport when using sendmail -t mode. An attacker can inject arbitrary sendmail command-line options by supplying a recipient address beginning with -, as recipient address...