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Fencer Intel
low 3.3

CVE-2017-5081 json

Lack of verification of an extension's locale folder in Google Chrome prior to 59.0.3071.86 for Mac, Windows, and Linux, and 59.0.3071.92 f…

published 2017-10-27 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14190

cvss
3.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits
0
none known

Summary

Lack of verification of an extension's locale folder in Google Chrome prior to 59.0.3071.86 for Mac, Windows, and Linux, and 59.0.3071.92 for Android, allowed an attacker with local write access to modify extensions by modifying extension files.

Patch / fix

  • google chrome 59.0.3071.86, 59.0.3071.92
  • chromium-browser Ubuntu 14.04 LTS 59.0.3071.109-0ubuntu0.14.04.1186
  • chromium-browser Ubuntu 16.04 LTS 59.0.3071.109-0ubuntu0.16.04.1289

ubuntu advisories UBUNTU-CVE-2017-5081

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 59.0.3071.86-1.el6_9

red hat advisories RHSA-2017:1399

  • chromium openSUSE Tumbleweed 93.0.4577.82-1.1
  • chromium openSUSE Tumbleweed 113.0.5672.92-1.1
  • chromium Package Hub 12 SP2 59.0.3071.86-20.1

opensuse advisories openSUSE-SU-2024:10681-1openSUSE-SU-2024:12948-1openSUSE-SU-2017:1501-1openSUSE-SU-2017:1502-1

  • chromium Arch Linux 59.0.3071.86-1

arch linux advisories AVG-289

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-2017-5081 updated cvss 6.5

chromium-browser: extension verification bypass

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 59.0.3071.86-1.el6_9 Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 59.0.3071.86-1.el6_9 Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 59.0.3071.86-1.el6_9
    fixed: vendor fix RHSA-2017:1399

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

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 2.1 AV:L/AC:L/Au:N/C:N/I:P/A:N

Affected products

  • n/a Google Chrome prior to 59.0.3071.86 for Mac, Windows and Linux, and 59.0.3071.92 for Android

Classification

Weakness
  • CWE-20 Improper Input Validation
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.