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Vulnerability details: VCID-ecwu-t846-j3cy
Vulnerability ID VCID-ecwu-t846-j3cy
Aliases CVE-2018-6120
Summary An integer overflow that could lead to an attacker-controlled heap out-of-bounds write in PDFium in Google Chrome prior to 66.0.3359.170 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted PDF file.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-190 Integer Overflow or Wraparound
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6120.json
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
epss 0.02538 https://api.first.org/data/v1/epss?cve=CVE-2018-6120
cvssv3 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2018-6120
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-6120
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2018:1446
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6120.json
https://api.first.org/data/v1/epss?cve=CVE-2018-6120
https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop.html
https://crbug.com/833721
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://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.gentoo.org/glsa/201805-06
https://www.debian.org/security/2018/dsa-4237
http://www.securityfocus.com/bid/104143
1577115 https://bugzilla.redhat.com/show_bug.cgi?id=1577115
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-2018-6120 https://nvd.nist.gov/vuln/detail/CVE-2018-6120
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-6120.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: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
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:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-6120
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-6120
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 0.8486
EPSS Score 0.02538
Published At Aug. 8, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:00:14.849783+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2018-6120 37.0.0