CVE-2016-0634
bash: Arbitrary code execution via malicious hostname
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Severity
ModerateRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · October 16, 2015
Updated · May 13, 2026
Description
An arbitrary command injection flaw was found in the way bash processed the hostname value. A malicious DHCP server could use this flaw to execute arbitrary commands on the DHCP client machines running bash under specific circumstances.
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 3.0 · 4.9CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0 · 3.7AV:L/AC:H/Au:N/C:P/I:P/A:P
CWE not specified