CVE-2018-15863 (GCVE-0-2018-15863)
Vulnerability from cvelistv5 – Published: 2018-08-25 21:00 – Updated: 2024-08-05 10:10
VLAI
EPSS
VEX
Summary
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.
Severity
5.5 (Medium)
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201810-05 | vendor-advisoryx_refsource_GENTOO |
| https://lists.freedesktop.org/archives/wayland-de… | x_refsource_MISC |
| https://github.com/xkbcommon/libxkbcommon/commit/… | x_refsource_MISC |
| https://usn.ubuntu.com/3786-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://usn.ubuntu.com/3786-2/ | vendor-advisoryx_refsource_UBUNTU |
| https://access.redhat.com/errata/RHSA-2019:2079 | vendor-advisoryx_refsource_REDHAT |
Date Public
2018-08-25 00:00
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"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-06-30T10:16:52+00:00",
"cve": "CVE-2018-15863",
"id": "CVE-2018-15863",
"initial_release_date": "2018-01-01T00:00:00+00:00",
"product_status:fixed": "371",
"product_status:known_affected": "2",
"product_status:known_not_affected": "4",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "libxkbcommon: xkbcomp: NULL pointer dereference in ResolveStateAndPredicate resulting in a crash",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2018/cve-2018-15863.json",
"version": "3"
},
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"current_release_date": "2026-09-13T00:12:42Z",
"cve": "CVE-2018-15863",
"id": "CVE-2018-15863",
"initial_release_date": "2023-02-15T04:24:46Z",
"product_status:known_affected": "574",
"product_status:known_not_affected": "55",
"product_status:recommended": "420",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2018-15863",
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}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
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- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
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They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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