CVE-2018-15857

At a glance

Severity: Not available
EPSS: EPSS 0.45 % · percentile 39 (2026-10-27)
State: PUBLISHED
Published: 2018-08-25
Updated: 2024-08-05
Assigner: mitre
NVD status: Modified

Description

An invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c in xkbcommon before 0.8.1 could be used by local attackers to crash xkbcommon keymap parsers or possibly have unspecified other impact by supplying a crafted keymap file.

Scores

Version	Score	Vector	Scored by
CVSS 3.0	HIGH 7.8	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	MEDIUM 4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P	NVD · nvd@nist.gov (Primary)

Weaknesses (CWE)

CWE-416

European references

ENISA EUVD · EUVD-2018-7714
GCVE · GCVE-0-2018-15857

CERT-FR advisories

CERTFR-2022-AVI-267 — Multiples vulnérabilités dans Juniper Networks Junos Space · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:xkbcommon:libxkbcommon:*:*:*:*:*:*:*:* < 0.8.1
cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:* < 0.8.1
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

Affected products

Product	Versions
	affected n/a

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD