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Vulnerability details: VCID-qyeg-tyc7-yfb8
Vulnerability ID VCID-qyeg-tyc7-yfb8
Aliases CVE-2018-6143
Summary Insufficient validation in V8 in Google Chrome prior to 67.0.3396.62 allowed a remote attacker to perform an out of bounds memory read via a crafted HTML page.
Status Published
Exploitability 0.5
Weighted Severity 5.9
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6143.json
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
epss 0.01107 https://api.first.org/data/v1/epss?cve=CVE-2018-6143
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-6143
cvssv3 6.5 https://nvd.nist.gov/vuln/detail/CVE-2018-6143
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2018:1815
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6143.json
https://api.first.org/data/v1/epss?cve=CVE-2018-6143
https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop_58.html
https://crbug.com/843022
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6118
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6120
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6121
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6122
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6123
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6124
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6125
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6126
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6127
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6129
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6130
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6131
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6132
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6133
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6134
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6135
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6136
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6137
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6138
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6139
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6140
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6141
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6142
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6143
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6144
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6145
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6147
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6148
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6149
https://www.debian.org/security/2018/dsa-4237
http://www.securityfocus.com/bid/104309
http://www.securitytracker.com/id/1041014
1584055 https://bugzilla.redhat.com/show_bug.cgi?id=1584055
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
CVE-2018-6143 https://nvd.nist.gov/vuln/detail/CVE-2018-6143
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6143.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-6143
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-6143
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.77192
EPSS Score 0.01107
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:00:14.908622+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2018-6143 37.0.0