CVE-2018-6065

CRITICALNVD 8.89.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-06-08), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 5 sources updated this weekExploited in the wild
9.0EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 60%CVSS: 8.8Exploit: cisa kev · ssvc active · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

A fix is available — apply it.

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)
EG Risk
81(Attend)
EG Risk 81/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity90% × 45%
Exploitation100% × 40%
Automatability0% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
60%
EPSS %ILE
99%
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 / EcosystemFixed in / PatchReleasedSource
redhatchromium-browser-0:65.0.3325.146-2.el6_92018-03-12redhat

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.

Affected Packages

(1 across 1 ecosystem)
Debian:9(1)
PackageVulnerable rangeFixed inDependents
chromium-browser59.0.3071.104-1 ... 66.0.3359.26-2 (30 versions)66.0.3359.117-1~deb9u1—

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.

Data Freshness Timeline

(refreshed 99× in last 7d / 417× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 1,515 total refreshes for this CVE.

  1. 2026-09-20 17:15 UTCVendor advisory
  2. 2026-09-20 17:15 UTCGHSA enrichment
  3. 2026-09-20 13:16 UTCVendor advisory
  4. 2026-09-20 13:16 UTCGHSA enrichment
  5. 2026-09-20 09:17 UTCVendor advisory
  6. 2026-09-20 09:17 UTCGHSA enrichment
  7. 2026-09-20 05:16 UTCVendor advisory
  8. 2026-09-20 05:16 UTCGHSA enrichment
  9. 2026-09-20 01:17 UTCVendor advisory
  10. 2026-09-20 01:17 UTCGHSA enrichment
  11. 2026-09-19 21:18 UTCVendor advisory
  12. 2026-09-19 21:18 UTCGHSA enrichment
  13. 2026-09-19 17:19 UTCEG score recompute
  14. 2026-09-19 17:19 UTCVendor advisory
  15. 2026-09-19 17:19 UTCGHSA enrichment
  16. 2026-09-19 15:36 UTCEPSS rescore
  17. 2026-09-19 13:20 UTCVendor advisory
  18. 2026-09-19 13:20 UTCGHSA enrichment
  19. 2026-09-19 09:21 UTCVendor advisory
  20. 2026-09-19 09:20 UTCGHSA enrichment
  21. 2026-09-19 05:18 UTCVendor advisory
  22. 2026-09-19 05:18 UTCGHSA enrichment
  23. 2026-09-19 01:19 UTCVendor advisory
  24. 2026-09-19 01:19 UTCGHSA enrichment
  25. 2026-09-18 21:20 UTCEG score recompute
Show 75 more
  1. 2026-09-18 21:20 UTCVendor advisory
  2. 2026-09-18 21:20 UTCGHSA enrichment
  3. 2026-09-18 19:22 UTCEPSS rescore
  4. 2026-09-18 19:20 UTCCISA KEV update
  5. 2026-09-18 17:22 UTCVendor advisory
  6. 2026-09-18 17:22 UTCGHSA enrichment
  7. 2026-09-18 14:15 UTCCISA KEV update
  8. 2026-09-18 13:23 UTCVendor advisory
  9. 2026-09-18 13:23 UTCGHSA enrichment
  10. 2026-09-18 09:24 UTCVendor advisory
  11. 2026-09-18 09:24 UTCGHSA enrichment
  12. 2026-09-18 05:25 UTCVendor advisory
  13. 2026-09-18 05:25 UTCGHSA enrichment
  14. 2026-09-18 01:26 UTCVendor advisory
  15. 2026-09-18 01:26 UTCGHSA enrichment
  16. 2026-09-17 21:27 UTCEG score recompute
  17. 2026-09-17 21:27 UTCVendor advisory
  18. 2026-09-17 21:27 UTCGHSA enrichment
  19. 2026-09-17 19:22 UTCEPSS rescore
  20. 2026-09-17 17:28 UTCVendor advisory
  21. 2026-09-17 17:27 UTCGHSA enrichment
  22. 2026-09-17 12:52 UTCVendor advisory
  23. 2026-09-17 12:52 UTCGHSA enrichment
  24. 2026-09-17 08:51 UTCVendor advisory
  25. 2026-09-17 08:51 UTCGHSA enrichment
  26. 2026-09-17 04:52 UTCVendor advisory
  27. 2026-09-17 04:52 UTCGHSA enrichment
  28. 2026-09-17 00:53 UTCVendor advisory
  29. 2026-09-17 00:53 UTCGHSA enrichment
  30. 2026-09-16 20:54 UTCVendor advisory
  31. 2026-09-16 20:54 UTCGHSA enrichment
  32. 2026-09-16 16:41 UTCEG score recompute
  33. 2026-09-16 16:41 UTCVendor advisory
  34. 2026-09-16 16:41 UTCGHSA enrichment
  35. 2026-09-16 14:10 UTCCISA KEV update
  36. 2026-09-16 12:37 UTCVendor advisory
  37. 2026-09-16 12:37 UTCGHSA enrichment
  38. 2026-09-16 08:39 UTCEG score recompute
  39. 2026-09-16 08:39 UTCVendor advisory
  40. 2026-09-16 08:38 UTCGHSA enrichment
  41. 2026-09-16 04:36 UTCVendor advisory
  42. 2026-09-16 04:36 UTCGHSA enrichment
  43. 2026-09-16 00:37 UTCVendor advisory
  44. 2026-09-16 00:37 UTCGHSA enrichment
  45. 2026-09-15 20:37 UTCVendor advisory
  46. 2026-09-15 20:37 UTCGHSA enrichment
  47. 2026-09-15 16:29 UTCVendor advisory
  48. 2026-09-15 16:29 UTCGHSA enrichment
  49. 2026-09-15 12:30 UTCVendor advisory
  50. 2026-09-15 12:30 UTCGHSA enrichment
  51. 2026-09-15 08:31 UTCVendor advisory
  52. 2026-09-15 08:31 UTCGHSA enrichment
  53. 2026-09-15 04:32 UTCEG score recompute
  54. 2026-09-15 04:32 UTCVendor advisory
  55. 2026-09-15 04:32 UTCGHSA enrichment
  56. 2026-09-15 03:05 UTCEPSS rescore
  57. 2026-09-15 03:05 UTCEPSS rescore
  58. 2026-09-15 00:33 UTCVendor advisory
  59. 2026-09-15 00:33 UTCGHSA enrichment
  60. 2026-09-14 20:34 UTCVendor advisory
  61. 2026-09-14 20:34 UTCGHSA enrichment
  62. 2026-09-14 19:24 UTCCISA KEV update
  63. 2026-09-14 16:35 UTCVendor advisory
  64. 2026-09-14 16:35 UTCGHSA enrichment
  65. 2026-09-14 12:36 UTCVendor advisory
  66. 2026-09-14 12:36 UTCGHSA enrichment
  67. 2026-09-14 08:37 UTCVendor advisory
  68. 2026-09-14 08:37 UTCGHSA enrichment
  69. 2026-09-14 04:38 UTCVendor advisory
  70. 2026-09-14 04:38 UTCGHSA enrichment
  71. 2026-09-14 00:40 UTCVendor advisory
  72. 2026-09-14 00:40 UTCGHSA enrichment
  73. 2026-09-13 20:40 UTCVendor advisory
  74. 2026-09-13 20:40 UTCGHSA enrichment
  75. 2026-09-13 16:41 UTCVendor advisory

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 ↗

Related CVEs(same vendor + same CWE)

Frequently asked(6)

What is CVE-2018-6065?
CVE-2018-6065 is a critical 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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