Echo: bash-completion: security update to 1:2.16.0-7

high Tenable Cloud Security Plugin ID 457869

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain privileges by embedding
shell commands in a mountpoint name, which is mishandled during a umount command (within Bash) by a
different user, as demonstrated by logging in as root and entering umount followed by a tab character for
autocompletion. (CVE-2018-7738)

Solution

Update the bash-completion library and its related packages to version 1:2.16.0-7 or later.

See Also

https://advisory.echohq.com/cve/CVE-2018-7738

Plugin Details

Severity: High

ID: 457869

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.88

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2018-7738

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/12/2026

Vulnerability Publication Date: 3/6/2018

Reference Information

CVE: CVE-2018-7738