CVE-2018-6065

HIGHNVD 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
8.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 60%CVSS: 8.8Exploit: NoneExposed: 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
99.0%
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.

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 85× in last 7d / 395× 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 722 total refreshes for this CVE.

  1. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 14:15 UTCEPSS rescore
  3. 2026-07-23 01:37 UTCEG score recompute
  4. 2026-07-22 21:45 UTCEG score recompute
  5. 2026-07-22 21:45 UTCVendor advisory
  6. 2026-07-22 21:45 UTCGHSA enrichment
  7. 2026-07-22 19:40 UTCCISA KEV update
  8. 2026-07-22 17:33 UTCEG score recompute
  9. 2026-07-22 17:33 UTCVendor advisory
  10. 2026-07-22 17:32 UTCGHSA enrichment
  11. 2026-07-22 14:05 UTCEPSS rescore
  12. 2026-07-22 13:32 UTCVendor advisory
  13. 2026-07-22 13:32 UTCGHSA enrichment
  14. 2026-07-22 09:33 UTCVendor advisory
  15. 2026-07-22 09:33 UTCGHSA enrichment
  16. 2026-07-22 05:34 UTCVendor advisory
  17. 2026-07-22 05:34 UTCGHSA enrichment
  18. 2026-07-22 01:35 UTCVendor advisory
  19. 2026-07-22 01:35 UTCGHSA enrichment
  20. 2026-07-21 21:36 UTCVendor advisory
  21. 2026-07-21 21:35 UTCGHSA enrichment
  22. 2026-07-21 17:34 UTCEG score recompute
  23. 2026-07-21 17:34 UTCVendor advisory
  24. 2026-07-21 17:34 UTCGHSA enrichment
  25. 2026-07-21 15:22 UTCEPSS rescore
Show 75 more
  1. 2026-07-21 14:37 UTCCISA KEV update
  2. 2026-07-21 13:35 UTCVendor advisory
  3. 2026-07-21 13:35 UTCGHSA enrichment
  4. 2026-07-21 09:36 UTCVendor advisory
  5. 2026-07-21 09:35 UTCGHSA enrichment
  6. 2026-07-21 05:35 UTCVendor advisory
  7. 2026-07-21 05:35 UTCGHSA enrichment
  8. 2026-07-21 01:35 UTCVendor advisory
  9. 2026-07-21 01:35 UTCGHSA enrichment
  10. 2026-07-20 21:36 UTCVendor advisory
  11. 2026-07-20 21:36 UTCGHSA enrichment
  12. 2026-07-20 17:35 UTCEG score recompute
  13. 2026-07-20 17:35 UTCVendor advisory
  14. 2026-07-20 17:35 UTCGHSA enrichment
  15. 2026-07-20 17:04 UTCEPSS rescore
  16. 2026-07-20 17:04 UTCEPSS rescore
  17. 2026-07-20 13:36 UTCVendor advisory
  18. 2026-07-20 13:36 UTCGHSA enrichment
  19. 2026-07-20 09:37 UTCVendor advisory
  20. 2026-07-20 09:37 UTCGHSA enrichment
  21. 2026-07-20 05:37 UTCVendor advisory
  22. 2026-07-20 05:37 UTCGHSA enrichment
  23. 2026-07-20 01:38 UTCVendor advisory
  24. 2026-07-20 01:38 UTCGHSA enrichment
  25. 2026-07-19 21:39 UTCVendor advisory
  26. 2026-07-19 21:39 UTCGHSA enrichment
  27. 2026-07-19 17:40 UTCEG score recompute
  28. 2026-07-19 17:40 UTCVendor advisory
  29. 2026-07-19 17:40 UTCGHSA enrichment
  30. 2026-07-19 14:28 UTCEPSS rescore
  31. 2026-07-19 14:28 UTCEPSS rescore
  32. 2026-07-19 13:41 UTCVendor advisory
  33. 2026-07-19 13:41 UTCGHSA enrichment
  34. 2026-07-19 09:42 UTCVendor advisory
  35. 2026-07-19 09:42 UTCGHSA enrichment
  36. 2026-07-19 05:43 UTCEG score recompute
  37. 2026-07-19 05:43 UTCVendor advisory
  38. 2026-07-19 05:43 UTCGHSA enrichment
  39. 2026-07-19 02:26 UTCEPSS rescore
  40. 2026-07-19 02:26 UTCEPSS rescore
  41. 2026-07-19 01:44 UTCVendor advisory
  42. 2026-07-19 01:43 UTCGHSA enrichment
  43. 2026-07-18 21:44 UTCVendor advisory
  44. 2026-07-18 21:44 UTCGHSA enrichment
  45. 2026-07-18 17:45 UTCVendor advisory
  46. 2026-07-18 17:45 UTCGHSA enrichment
  47. 2026-07-18 13:46 UTCVendor advisory
  48. 2026-07-18 13:46 UTCGHSA enrichment
  49. 2026-07-18 09:47 UTCVendor advisory
  50. 2026-07-18 09:47 UTCGHSA enrichment
  51. 2026-07-18 05:48 UTCVendor advisory
  52. 2026-07-18 05:48 UTCGHSA enrichment
  53. 2026-07-18 01:49 UTCVendor advisory
  54. 2026-07-18 01:49 UTCGHSA enrichment
  55. 2026-07-17 21:50 UTCVendor advisory
  56. 2026-07-17 21:50 UTCGHSA enrichment
  57. 2026-07-17 17:51 UTCVendor advisory
  58. 2026-07-17 17:51 UTCGHSA enrichment
  59. 2026-07-17 13:51 UTCVendor advisory
  60. 2026-07-17 13:51 UTCGHSA enrichment
  61. 2026-07-17 09:52 UTCEG score recompute
  62. 2026-07-17 09:52 UTCVendor advisory
  63. 2026-07-17 09:52 UTCGHSA enrichment
  64. 2026-07-17 05:53 UTCVendor advisory
  65. 2026-07-17 05:52 UTCGHSA enrichment
  66. 2026-07-17 01:53 UTCVendor advisory
  67. 2026-07-17 01:52 UTCGHSA enrichment
  68. 2026-07-16 21:53 UTCVendor advisory
  69. 2026-07-16 21:53 UTCGHSA enrichment
  70. 2026-07-16 17:54 UTCVendor advisory
  71. 2026-07-16 17:54 UTCGHSA enrichment
  72. 2026-07-16 17:04 UTCCISA KEV update
  73. 2026-07-16 16:59 UTCEPSS rescore
  74. 2026-07-16 16:59 UTCEPSS rescore
  75. 2026-07-16 13:55 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 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

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