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Fencer Intel
high 8.8

CVE-2018-17458 json

An improper update of the WebAssembly dispatch table in WebAssembly in Google Chrome prior to 69.0.3497.92 allowed a remote attacker to exe…

published 7y ago modified 4mo ago also EUVD-2018-9211

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

An improper update of the WebAssembly dispatch table in WebAssembly in Google Chrome prior to 69.0.3497.92 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Patch / fix

  • Google Chrome 69.0.3497.92
  • chromium-browser Ubuntu 16.04 LTS 70.0.3538.67-0ubuntu0.16.04.1
  • chromium-browser Ubuntu 18.04 LTS 70.0.3538.67-0ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-17458

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 69.0.3497.100-1.el6_10

red hat advisories RHSA-2018:2818

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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-2018-17458 updated cvss 7.3

chromium-browser: Function signature mismatch in WebAssembly

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 69.0.3497.100-1.el6_10 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 69.0.3497.100-1.el6_10 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 69.0.3497.100-1.el6_10
    fixed: vendor fix RHSA-2018:2818

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

Exploit prediction

2.22% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/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-129 Improper Validation of Array Index
Technology feeds

References

Sources

Fencer Intel 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.