Description
smtp_mailaddr in smtp_session.c in OpenSMTPD, as used in OpenBSD and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session.
Recommended action
Apply updates per vendor instructions.
CISA remediation due date for U.S. federal agencies: 15 Apr 2022.
Collected automatically from public sources. Verify affected versions and fixes in the vendor's notice before acting.