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.
- EPSS
- 6.9% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
- CWE
- CWE-20
- Published
- Modified
- Record from
- the NVD, synced
Affected
- bsd_mailx_project:bsd_mailx
- heirloom:mailx
- oracle:linux
- redhat:enterprise_linux