CVE-2018-15864

Unchecked NULL pointer usage in resolve_keysym in xkbcomp/parser.y 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 a map access attempt can occur for a map that was never created.

References

Affected packages

Git / github.com/xkbcommon/libxkbcommon

Affected ranges

Type

GIT

Repo

https://github.com/xkbcommon/libxkbcommon

Events

Introduced

Last affected

87046f56efc89d3b0771df9b4fefcda39ade3dd1

Introduced

Last affected

87046f56efc89d3b0771df9b4fefcda39ade3dd1

Fixed

a8ea7a1d3daa7bdcb877615ae0a252c189153bd2

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.8.1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.8.1"
        }
    ]
}

Affected versions

xkbcommon-0.*

xkbcommon-0.2.0

xkbcommon-0.3.0

xkbcommon-0.3.1

xkbcommon-0.3.2

xkbcommon-0.4.0

xkbcommon-0.4.1

xkbcommon-0.4.2

xkbcommon-0.4.3

xkbcommon-0.5.0

xkbcommon-0.6.0

xkbcommon-0.6.1

xkbcommon-0.7.0

xkbcommon-0.7.1

xkbcommon-0.7.2

xkbcommon-0.8.0

xkbcommon-0.8.1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-15864.json"

unresolved_ranges

[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "14.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    }
]