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Fencer Intel
medium 4.3

CVE-2016-1658 json

The Extensions subsystem in Google Chrome before 50.0.2661.75 incorrectly relies on GetOrigin method calls for origin comparisons, which al…

published 2016-04-18 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-2753

cvss
4.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits
0
none known

Summary

The Extensions subsystem in Google Chrome before 50.0.2661.75 incorrectly relies on GetOrigin method calls for origin comparisons, which allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via a crafted extension.

Patch / fix

  • chromium-browser Ubuntu 14.04 LTS 50.0.2661.102-0ubuntu0.14.04.1.1117
  • chromium-browser Ubuntu 16.04 LTS 50.0.2661.102-0ubuntu0.16.04.1.1237

ubuntu advisories UBUNTU-CVE-2016-1658

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 50.0.2661.75-1.el6

red hat advisories RHSA-2016:0638

  • 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-2016-1658 updated cvss 4.3

chromium-browser: potential leak of sensitive information to malicious extensions

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 50.0.2661.75-1.el6 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 50.0.2661.75-1.el6 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 50.0.2661.75-1.el6
    fixed: vendor fix RHSA-2016:0638

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

1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

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

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-284 Improper Access Control
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.