CVE-2018-6166
Incorrect handling of confusable characters in URL Formatter in Google Chrome prior to 68.0.3440...
6.5 MediumFix available
Incorrect handling of confusable characters in URL Formatter in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
1.44%Up 0.7 points since Apr 14, 2021
What each source reports
NVD Score used
Incorrect handling of confusable characters in URL Formatter in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.
- Record
CVE-2018-6166- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
Incorrect handling of confusable characters in URL Formatter in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.
- Record
CVE-2018-6166- Updated
- 2026-11-02
EUVDEUVD-2018-17929 No score
Incorrect handling of confusable characters in URL Formatter in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.
- Record
EUVD-2018-17929- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-42mm-766g-hj5r
Incorrect handling of confusable characters in URL Formatter in Google Chrome prior to 68.0.3440...
Incorrect handling of confusable characters in URL Formatter in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.
- Record
GHSA-42mm-766g-hj5r- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVRHSA-2018:2282
Red Hat Security Advisory: chromium-browser security update
- Record
RHSA-2018:2282- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-6166
Incorrect handling of confusable characters in URL Formatter in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.
- Record
UBUNTU-CVE-2018-6166- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVMGASA-2018-0343 No score
Updated chromium-browser-stable packages fix security vulnerabilities
Chromium-browser 68.0.3440.106 fixes security issues:
Multiple flaws were found in the way Chromium 67.0.3396.87 processes various types of web content, where loading a web page containing malicious content could cause Chromium to crash, execute arbitrary code, or disclose sensitive information (CVE-2018-4117, CVE-2018-6044, CVE-2018-6153, CVE-2018-6154, CVE-2018-6155, CVE-2018-6156, CVE-2018-6157, CVE-2018-6158, CVE-2018-6159, CVE-2018-6160, CVE-2018-6161, CVE-2018-6162, CVE-2018-6163, CVE-2018-6164, CVE-2018-6165, CVE-2018-6166, CVE-2018-6167, CVE-2018-6168, CVE-2018-6169, CVE-2018-6170, CVE-2018-6171, CVE-2018-6172, CVE-2018-6173, CVE-2018-6174, CVE-2018-6175, CVE-2018-6176, CVE-2018-6177, CVE-2018-6178, CVE-2018-6179)
Upstream also reported for release 68.0.3440.75 that three additional flaws were fixed in earlier (unspecified) chromium releases but not listed in the release notes for those releases. (CVE-2018-6150, CVE-2018-6151, CVE-2018-6152)
- Record
MGASA-2018-0343- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10681-1 No score
chromedriver-93.0.4577.82-1.1 on GA media
These are all security issues fixed in the chromedriver-93.0.4577.82-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10681-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:12948-1 No score
ungoogled-chromium-113.0.5672.92-1.1 on GA media
These are all security issues fixed in the ungoogled-chromium-113.0.5672.92-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:12948-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
chromium-browserDebian:9 |
before 68.0.3440.75-1~deb9u1, plus listed versions 59.0.3071.104-159.0.3071.86-160.0.3112.72-160.0.3112.78-160.0.3112.78-1~deb9u1 Show 43 moreShow less61.0.3163.100-161.0.3163.100-1~deb9u161.0.3163.100-262.0.3202.75-162.0.3202.75-1~deb9u162.0.3202.89-162.0.3202.89-1~deb9u163.0.3239.30-163.0.3239.40-163.0.3239.84-163.0.3239.84-1~deb9u164.0.3282.119-164.0.3282.119-1~deb9u164.0.3282.119-265.0.3325.146-165.0.3325.146-265.0.3325.146-365.0.3325.146-465.0.3325.73-165.0.3325.74-166.0.3359.117-166.0.3359.117-1~deb9u166.0.3359.139-166.0.3359.181-166.0.3359.22-166.0.3359.22-266.0.3359.22-366.0.3359.26-166.0.3359.26-267.0.3396.48-167.0.3396.56-167.0.3396.57-167.0.3396.62-167.0.3396.62-267.0.3396.79-167.0.3396.79-267.0.3396.87-167.0.3396.87-1~deb9u168.0.3440.17-168.0.3440.25-168.0.3440.33-168.0.3440.42-168.0.3440.7-1 |
68.0.3440.75-1~deb9u1 |
chromium-browser-stableMageia:6 |
before 68.0.3440.106-1.mga6 | 68.0.3440.106-1.mga6 |
chromium-browserRed Hat:rhel_extras:6 |
before 0:68.0.3440.75-1.el6_10 | 0:68.0.3440.75-1.el6_10 |
chromium-browser-debuginfoRed Hat:rhel_extras:6 |
before 0:68.0.3440.75-1.el6_10 | 0:68.0.3440.75-1.el6_10 |
chromium-browserUbuntu:16.04:LTS |
before 68.0.3440.75-0ubuntu0.16.04.1, plus listed versions 45.0.2454.101-0ubuntu1.120147.0.2526.73-0ubuntu1.121847.0.2526.106-0ubuntu1.122148.0.2564.82-0ubuntu1.122248.0.2564.116-0ubuntu1.1229 Show 32 moreShow less49.0.2623.87-0ubuntu1.123249.0.2623.108-0ubuntu1.123350.0.2661.102-0ubuntu0.16.04.1.123751.0.2704.79-0ubuntu0.16.04.1.124252.0.2743.116-0ubuntu0.16.04.1.125053.0.2785.143-0ubuntu0.16.04.1.125453.0.2785.143-0ubuntu0.16.04.1.125755.0.2883.87-0ubuntu0.16.04.126356.0.2924.76-0ubuntu0.16.04.126857.0.2987.98-0ubuntu0.16.04.127658.0.3029.81-0ubuntu0.16.04.127758.0.3029.96-0ubuntu0.16.04.127958.0.3029.110-0ubuntu0.16.04.128159.0.3071.109-0ubuntu0.16.04.128959.0.3071.109-0ubuntu0.16.04.129160.0.3112.78-0ubuntu0.16.04.129360.0.3112.113-0ubuntu0.16.04.129861.0.3163.79-0ubuntu0.16.04.130061.0.3163.100-0ubuntu0.16.04.130662.0.3202.62-0ubuntu0.16.04.130862.0.3202.75-0ubuntu0.16.04.131362.0.3202.89-0ubuntu0.16.04.131562.0.3202.94-0ubuntu0.16.04.131763.0.3239.84-0ubuntu0.16.04.163.0.3239.132-0ubuntu0.16.04.164.0.3282.119-0ubuntu0.16.04.164.0.3282.140-0ubuntu0.16.04.164.0.3282.167-0ubuntu0.16.04.165.0.3325.181-0ubuntu0.16.04.166.0.3359.139-0ubuntu0.16.04.366.0.3359.181-0ubuntu0.16.04.167.0.3396.99-0ubuntu0.16.04.2 |
68.0.3440.75-0ubuntu0.16.04.1 |
oxide-qtUbuntu:16.04:LTS |
All versions, plus listed versions 1.9.5-0ubuntu11.10.3-0ubuntu0.15.10.11.10.3-0ubuntu0.15.10.21.11.3-0ubuntu31.11.4-0ubuntu1 Show 17 moreShow less1.11.5-0ubuntu11.12.5-0ubuntu11.12.6-0ubuntu11.12.7-0ubuntu11.13.6-0ubuntu11.14.7-0ubuntu11.14.9-0ubuntu0.16.04.11.15.7-0ubuntu0.16.04.11.15.8-0ubuntu0.16.04.11.16.5-0ubuntu0.16.04.11.17.7-0ubuntu0.16.04.11.17.9-0ubuntu0.16.04.11.18.3-0ubuntu0.16.04.11.18.5-0ubuntu0.16.04.11.19.4-0ubuntu0.16.04.11.20.4-0ubuntu0.16.04.11.21.5-0ubuntu0.16.04.1 |
None known |
chromium-browserUbuntu:18.04:LTS |
before 68.0.3440.75-0ubuntu0.18.04.1, plus listed versions 61.0.3163.100-0ubuntu1.137862.0.3202.62-0ubuntu0.17.10.138062.0.3202.89-0ubuntu1.138662.0.3202.94-0ubuntu1.138863.0.3239.84-0ubuntu1 Show 9 moreShow less63.0.3239.108-0ubuntu164.0.3282.119-0ubuntu164.0.3282.140-0ubuntu164.0.3282.167-0ubuntu165.0.3325.146-0ubuntu165.0.3325.181-0ubuntu166.0.3359.139-0ubuntu0.18.04.366.0.3359.181-0ubuntu0.18.04.167.0.3396.99-0ubuntu0.18.04.1 |
68.0.3440.75-0ubuntu0.18.04.1 |
chromiumopenSUSE:Tumbleweed |
before 93.0.4577.82-1.1 | 93.0.4577.82-1.1 |
chromiumopenSUSE:Tumbleweed |
before 113.0.5672.92-1.1 | 113.0.5672.92-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-6166 is a medium vulnerability (CVSS 6.5) in Google Chrome, published July 26, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.44%, the 73rd percentile. Fixed in chromium-browser 68.0.3440.75-1~deb9u1.
References
chromereleases.googleblog.com/2018/07/stable-channel-update-for-desktop.html
access.redhat.com/errata/RHSA-2018:2282
security.gentoo.org/glsa/201808-01
debian.org/security/2018/dsa-4256
crbug.com/835554
securityfocus.com/bid/104887
Show 194 moreShow less
nvd.nist.gov/vuln/detail/CVE-2018-6166
github.com/advisories/GHSA-42mm-766g-hj5r
advisories.mageia.org/MGASA-2018-0343.html
bugs.mageia.org/show_bug.cgi?id=23364
bugzilla.redhat.com/show_bug.cgi?id=1608177
security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_2282.json
cve.org/CVERecord?id=CVE-2018-4117
ubuntu.com/security/CVE-2018-6166
suse.com/security/cve/CVE-2017-11215
This page doesn't list everything
Left out here: 2,249 references. The JSON record has them.