CVE-2018-6065

HIGH
8.8
CVSS Score
Published: November 14, 2018 at 03:00 PM UTC
Updated: June 17, 2026 at 02:01 AM UTC
6 products affected across 4 vendorsDebian LinuxChromeEnterprise Linux Desktop

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Severity
HIGH8.8
Exploitation
CISA KEV
Exploit prediction
EPSS 60%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score60.3%

EPSS (Exploit Prediction Scoring System) estimates a 60.3% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Google Chromium V8 Engine contains an integer overflow vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Jun 8, 2022
Remediation Due
Jun 22, 2022
1588 days overdue

Description

Integer overflow in computing the required allocation size when instantiating a new javascript object in V8 in Google Chrome prior to 65.0.3325.146 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 65.0.3325.146
Affected range stops below 65.0.3325.146, so it looks safe — our inference, not a vendor statement
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB Entryx_refsource_BIDBroken LinkThird Party Advisory
http://www.securityfocus.com/bid/103297
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2018:0484
x_refsource_MISCExploitIssue Tracking
https://crbug.com/808192
Vendor Advisoryx_refsource_DEBIANMailing ListThird Party Advisory
https://www.debian.org/security/2018/dsa-4182
Exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/44584/
x_refsource_MISCThird Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-367/
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-6065

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-190

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