Vulnerability Database

308,820

Total vulnerabilities in the database

CVE-2004-2771

The expand function in fio.c in Heirloom mailx 12.5 and earlier and BSD mailx 8.1.2 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in an email address.

  • Published: Dec 24, 2014
  • Updated: Nov 9, 2025
  • CVE: CVE-2004-2771
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/Au:N/C:P/I:P/A:P

CWEs: