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Fencer Vulns
high 8.8

CVE-2018-6065 kev in the critical feed json

Integer overflow in computing the required allocation size when instantiating a new javascript object in V8 in Google Chrome prior to 65.0.…

published 2018-11-14 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17828

cvss
8.8
version 3.1, CNA
cisa kev
Exploited
added 2022-06-08
epss
60.3%
EPSS 60.3% chance of exploitation in 30 days, percentile 99.1%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

cisa required action Apply updates per vendor instructions.

  • Google Chrome 65.0.3325.146
  • chromium-browser Ubuntu 14.04 LTS 65.0.3325.181-0ubuntu0.14.04.1
  • chromium-browser Ubuntu 16.04 LTS 65.0.3325.181-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2018-6065

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • chromium-browser RHEL 6 EXTRAS 65.0.3325.146-2.el6_9

red hat advisories RHSA-2018:0484

  • chromium openSUSE Tumbleweed 93.0.4577.82-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1
  • chromium Package Hub 12 SP2 66.0.3359.181-55.1

opensuse advisories openSUSE-SU-2024:10681-1openSUSE-SU-2024:12948-1openSUSE-SU-2018:1175-1openSUSE-SU-2018:1437-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-6065 updated cvss 8.8

chromium-browser: integer overflow in v8

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 65.0.3325.146-2.el6_9 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 65.0.3325.146-2.el6_9 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 65.0.3325.146-2.el6_9
    fixed: vendor fix RHSA-2018:0484

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-44584)
  2. Published
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
4 y ago
Patch by
2022-06-22 (4 y ago)
Ransomware
Not known
Required action
Apply updates per vendor instructions.
Vendor, product
Google, Chromium V8
CISA name
Google Chromium V8 Integer Overflow Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction

60.30% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-44584 Google Chrome V8 - Object Allocation Size Integer Overflow remote, 2018-05-04
  • crbug.com https://crbug.com/808192 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Google Chrome

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.