CVE-2018-14600

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Source
https://cve.org/CVERecord?id=CVE-2018-14600
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14600.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-14600
Downstream
Related
Published
2018-08-24T19:29:01.567Z
Modified
2026-03-15T22:19:06.333172Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in libX11 through 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.

References

Affected packages

Git / gitlab.freedesktop.org/xorg/lib/libX11

Affected ranges

Type
GIT
Repo
https://gitlab.freedesktop.org/xorg/lib/libX11
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
42f4d7af9cf6d1dbfa575552e057328b054a20c9
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.6.5"
        }
    ]
}

Affected versions

Other
MODULAR_COPY
XACE-SELINUX-MERGE
XORG-6_7_99_1
XORG-6_7_99_2
XORG-6_7_99_902
XORG-6_7_99_903
XORG-6_8_1
XORG-6_8_99_10
XORG-6_8_99_13
XORG-6_8_99_14
XORG-6_8_99_15
XORG-6_8_99_6
XORG-6_8_99_7
XORG-6_8_99_9
XORG-6_8_99_900
XORG-6_8_99_901
XORG-6_8_99_902
XORG-6_8_99_903
XORG-6_99_99_900
XORG-6_99_99_901
XORG-6_99_99_902
XORG-6_99_99_903
XORG-6_99_99_904
XORG-MAIN
libX11-1_0_1
libX11-1_0_2
libX11-1_0_3
libX11-1.*
libX11-1.0.99.1
libX11-1.0.99.2
libX11-1.1
libX11-1.1-RC1
libX11-1.1-RC2
libX11-1.1.1
libX11-1.1.2
libX11-1.1.3
libX11-1.1.4
libX11-1.1.99.2
libX11-1.2
libX11-1.2.1
libX11-1.2.2
libX11-1.2.99.901
libX11-1.3
libX11-1.3.1
libX11-1.3.2
libX11-1.3.3
libX11-1.3.4
libX11-1.3.99.901
libX11-1.3.99.902
libX11-1.3.99.903
libX11-1.4.0
libX11-1.4.1
libX11-1.4.2
libX11-1.4.3
libX11-1.4.4
libX11-1.4.99.1
libX11-1.4.99.901
libX11-1.4.99.902
libX11-1.5.0
libX11-1.5.99.901
libX11-1.5.99.902
libX11-1.6.0
libX11-1.6.1
libX11-1.6.2
libX11-1.6.3
libX11-1.6.4
libX11-1.6.5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-14600.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "12.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "14.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "8.0"
            }
        ]
    }
]