CVE-2018-15853

MEDIUM 5.5

At a glance

Source: NVD
EPSS: EPSS 0.53 % · percentile 45 (2026-10-28)
State: PUBLISHED
Published: 2018-08-25 21:00 UTC
Updated: 2024-08-05 10:10 UTC
Assigner: mitre
NVD status: Modified

Description

Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by local attackers to crash xkbcommon users by supplying a crafted keymap file that triggers boolean negation.

Weaknesses (CWE)

CWE-400 — Uncontrolled Resource Consumption (DoS)

References

Scores

Version	Score	Vector	Scored by
CVSS 3.0	MEDIUM 5.5	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)
CVSS 2.0	LOW 2.1	AV:L/AC:L/Au:N/C:N/I:N/A:P	NVD · nvd@nist.gov (Primary)

European references

ENISA EUVD · EUVD-2018-7710
GCVE · GCVE-0-2018-15853

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

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