CVE-2018-6065

HIGHNVD 8.89.0▲Trending — 5 sources updated this weekExploited in the wild

8.8

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.

CVSS v3: 8.8
EG Score: 9.0(high)
EPSS: 99.6%
KEV: ⚠ Exploited

Published

November 14, 2018

Last Modified

October 24, 2025

Advisory Details (7)

Auto-updated Jun 2, 2026

🔬 Proof of concept available. Patch available. Sources: redhat.

generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2018/03/stable-channel-update-for-desktop.html

redhat Patch Available

Affected: Red Hat Enterprise Linux 6 Supplementary.

https://access.redhat.com/errata/RHSA-2018:0484

generic

http://www.securityfocus.com/bid/103297

generic

ZDI-19-367 | Zero Day Initiative

https://www.zerodayinitiative.com/advisories/ZDI-19-367/

generic🟡 PoC Available

Google Chrome V8 - Object Allocation Size Integer Overflow - Multiple remote Exploit

https://www.exploit-db.com/exploits/44584/

generic

[SECURITY] [DSA 4182-1] chromium-browser security update

https://www.debian.org/security/2018/dsa-4182

generic

https://crbug.com/808192

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	chromium-browser-0:65.0.3325.146-2.el6_9	2018-03-12	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Red HatRHSA-2018:0484IMPORTANT2018-03-06
RHSA-2018:0484 — Important

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 16:12 UTCEG score recompute
2026-06-04 16:12 UTCVendor advisory
2026-06-04 16:12 UTCGHSA enrichment
2026-06-04 12:13 UTCEG score recompute
2026-06-04 12:13 UTCVendor advisory
2026-06-04 12:13 UTCGHSA enrichment
2026-06-04 08:14 UTCEG score recompute
2026-06-04 08:14 UTCVendor advisory
2026-06-04 08:14 UTCGHSA enrichment
2026-06-04 04:15 UTCEG score recompute
2026-06-04 04:15 UTCVendor advisory
2026-06-04 04:15 UTCGHSA enrichment
2026-06-04 00:16 UTCEG score recompute
2026-06-04 00:16 UTCVendor advisory
2026-06-04 00:16 UTCGHSA enrichment
2026-06-03 20:17 UTCEG score recompute
2026-06-03 20:17 UTCVendor advisory
2026-06-03 20:17 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 16:18 UTCEG score recompute

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCb1tg/CVE-2018-6065-exploit
First seen Apr 24, 2021
Open source ↗
Exploit-DBEDB-44584✓ verified
First seen May 4, 2018
Google Chrome V8 - Object Allocation Size Integer Overflow
Open source ↗

Frequently asked(6)

What is CVE-2018-6065?

CVE-2018-6065 is a high vulnerability published on November 14, 2018. 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.

When was CVE-2018-6065 disclosed?

CVE-2018-6065 was first published in the National Vulnerability Database on November 14, 2018, with the most recent update on October 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-6065 actively exploited?

Yes. CISA added CVE-2018-6065 to the Known Exploited Vulnerabilities catalog on June 8, 2022, affecting Google Chromium V8. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2018-6065?

CVE-2018-6065 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2018-6065?

CVE-2018-6065 affects Google Chromium V8. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2018-6065?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-6065, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2018-6065

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CVE-2018-6065

Published

Last Modified

Advisory Details (7)

Chrome Releases: Stable Channel Update for Desktop

ZDI-19-367 | Zero Day Initiative

Google Chrome V8 - Object Allocation Size Integer Overflow - Multiple remote Exploit

[SECURITY] [DSA 4182-1] chromium-browser security update

Patch Availability(1)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-6065?

Same vendor

Same CWE

CVE-2018-6065

📅 Published

🔄 Last Modified

📋 Advisory Details (7)

Chrome Releases: Stable Channel Update for Desktop

ZDI-19-367 | Zero Day Initiative

Google Chrome V8 - Object Allocation Size Integer Overflow - Multiple remote Exploit

[SECURITY] [DSA 4182-1] chromium-browser security update

Patch Availability(1)

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-6065?

🔗 Related CVEs(same vendor + same CWE)

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Advisory Details (7)

Frequently asked(6)

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