CVE-2014-7844
mailx: command execution flaw
Severity
ModerateRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · December 16, 2014
Updated · November 22, 2025
Description
A flaw was found in the way mailx handled the parsing of email addresses. A syntactically valid email address could allow a local attacker to cause mailx to execute arbitrary shell commands through shell meta-characters (CVE-2004-2771) and the direct command execution functionality (CVE-2014-7844).
Statement
Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 3.6AV:L/AC:L/Au:N/C:P/I:P/A:N
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')