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Fencer Intel
medium 6.3

CVE-2016-1638 json

extensions/renderer/resources/platform_app.js in the Extensions subsystem in Google Chrome before 49.0.2623.75 does not properly restrict u…

published 2016-03-06 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-2733

cvss
6.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

extensions/renderer/resources/platform_app.js in the Extensions subsystem in Google Chrome before 49.0.2623.75 does not properly restrict use of Web APIs, which allows remote attackers to bypass intended access restrictions via a crafted platform app.

Patch / fix

  • chromium-browser Ubuntu 14.04 LTS 49.0.2623.87-0ubuntu0.14.04.1.1112

ubuntu advisories UBUNTU-CVE-2016-1638

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 49.0.2623.75-1.el6

red hat advisories RHSA-2016:0359

  • chromium openSUSE Tumbleweed 55.0.2883.75-3.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1

opensuse advisories openSUSE-SU-2024:10171-1openSUSE-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-2016-1638 updated cvss 4.3

chromium-browser: WebAPI Bypass

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 49.0.2623.75-1.el6 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 49.0.2623.75-1.el6 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 49.0.2623.75-1.el6
    fixed: vendor fix RHSA-2016:0359

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

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 6.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
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.