CVE-2018-15859

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Source
https://cve.org/CVERecord?id=CVE-2018-15859
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-15859.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-15859
Downstream
Related
Published
2018-08-25T21:29:02Z
Modified
2026-05-17T11:55:04Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs 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, because lookup failures are mishandled.

Database specific 
{
    "unresolved_ranges":  [
        {
            "cpes":  [
                "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:*:*:*"
            ],
            "extracted_events":  [
                {
                    "last_affected":  "14.04"
                },
                {
                    "last_affected":  "16.04"
                },
                {
                    "last_affected":  "18.04"
                }
            ],
            "source":  "CPE_FIELD",
            "vendor_product":  "canonical:ubuntu_linux"
        },
        {
            "cpes":  [
                "cpe:2.3:a:xkbcommon:xkbcommon:*:*:*:*:*:*:*:*"
            ],
            "extracted_events":  [
                {
                    "last_affected":  "0.8.1"
                }
            ],
            "source":  "CPE_FIELD",
            "vendor_product":  "xkbcommon:xkbcommon"
        }
    ]
}
References

Affected packages