mail in OpenBSD 2.9 and 3.0 processes a tilde (~) escape character in a message even when it is not in interactive mode, which could allow local users to gain root privileges via calls to mail in cron.
http://www.osvdb.org/5269
http://www.openbsd.org/errata30.html#mail
http://www.iss.net/security_center/static/8818.php
http://marc.info/?l=bugtraq&m=101855467811695&w=2
Source: Mitre, NVD
Published: 2002-07-03
Updated: 2026-06-16
Base Score: 7.2
Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00308