Heirloom maintains a legacy mail utility product, mailx, with a narrow but durable presence in Unix and Linux environments where it serves as a command-line mail client and scripting interface. The vendor's disclosures center on improper input validation weaknesses, reflecting the parsing demands of a text-based mail-handling tool. Current severity, exploitation activity, and exposure counts are shown alongside this summary.
The number and severity of CVEs published that impact products developed by Heirloom over time
Signals from CVEs in this vendor scope (1 CVEs).
1 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2004-2771HIGH 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 | Dec 24, 2014 | 7.5 | 28 | NO | NO |
Signals from CVEs in this vendor scope (1 CVEs).
An overview of all social media posts that mention a CVE ID that affects a product developed by Heirloom.
Media articles that mention a CVE ID that affects a product developed by Heirloom — matched by CVE ID, not by vendor name.