Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.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 invalid virtual modifiers.

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Advisories
Source ID Title
EUVD EUVD EUVD-2018-7719 Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.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 invalid virtual modifiers.
Ubuntu USN Ubuntu USN USN-3786-1 libxkbcommon vulnerabilities
Ubuntu USN Ubuntu USN USN-3786-2 libxkbcommon vulnerabilities
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T10:10:04.954Z

Reserved: 2018-08-24T00:00:00.000Z

Link: CVE-2018-15862

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-08-25T21:29:02.373

Modified: 2024-11-21T03:51:35.850

Link: CVE-2018-15862

cve-icon Redhat

Severity : Low

Publid Date: 2017-06-26T00:00:00Z

Links: CVE-2018-15862 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses