Echo: x11-xkb-utils: security update to 7.7+9+e1

medium Tenable Self-Hosted Container Security Plugin ID 460750

Description

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

- Unchecked NULL pointer usage in ResolveStateAndPredicate in xkbcomp/compat.c in xkbcommon before 0.8.2
could be used by local attackers to crash (NULL pointer dereference) the xkbcommon parser by supplying a
crafted keymap file with a no-op modmask expression. (CVE-2018-15863)

Solution

Update the x11-xkb-utils library and its related packages to version 7.7+9+e1 or later.

See Also

https://access.redhat.com/errata/RHSA-2019:2079

https://advisory.echohq.com/cve/CVE-2018-15863

Plugin Details

Severity: Medium

ID: 460750

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2018-15863

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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: 5/13/2026

Vulnerability Publication Date: 8/25/2018

Reference Information

CVE: CVE-2018-15863