The calendar program in bsdmainutils 6.0 through 6.0.14 does not drop root privileges when executed with the -a flag, which allows attackers to execute arbitrary commands via a calendar event file.
https://exchange.xforce.ibmcloud.com/vulnerabilities/17162
http://marc.info/?l=bugtraq&m=109396230317359&w=2
Source: Mitre, NVD
Published: 2004-10-20
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: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00052