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Fencer Vulns
medium 6.5

CVE-2018-6129 json

Out of bounds array access in WebRTC in Google Chrome prior to 67.0.3396.62 allowed a remote attacker to potentially perform out of bounds…

published 2019-06-27 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-17892

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
1
Exploit-DB

Summary

Out of bounds array access in WebRTC in Google Chrome prior to 67.0.3396.62 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page.

Patch / fix

  • Google Chrome 67.0.3396.62
  • chromium-browser Ubuntu 16.04 LTS 67.0.3396.99-0ubuntu0.16.04.2
  • chromium-browser Ubuntu 18.04 LTS 67.0.3396.99-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-6129

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 67.0.3396.62-2.el6_9

red hat advisories RHSA-2018:1815

  • chromium openSUSE Tumbleweed 93.0.4577.82-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1

opensuse advisories openSUSE-SU-2024:10681-1openSUSE-SU-2024:12948-1

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-2018-6129 updated cvss 8.8

chromium-browser: Out of bounds memory access in WebRTC

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 67.0.3396.62-2.el6_9 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 67.0.3396.62-2.el6_9 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 67.0.3396.62-2.el6_9
    fixed: vendor fix RHSA-2018:1815

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-44863)
  2. Published

Exploit prediction

2.71% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-44863 WebRTC - VP9 Missing Frame Processing Out-of-Bounds Memory Access dos, 2018-06-08

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

  • Google Chrome

Classification

Weakness
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.