CVE-2021-21187
MEDIUMGoogle Chrome < 89.0.4389.72 - Domain Spoofing via IDN Homograph
Title source: llmDescription
Insufficient data validation in URL formatting in Google Chrome prior to 89.0.4389.72 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.
References (7)
Core 7
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
Permissions Required x_refsource_misc
https://crbug.com/1155516
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2021/dsa-4886
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202104-08
Scores
CVSS v3
4.3
EPSS
0.0145
EPSS Percentile
70.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Details
Status
published
Products (5)
debian/debian_linux
10.0
fedoraproject/fedora
32
fedoraproject/fedora
33
fedoraproject/fedora
34
google/chrome
< 89.0.4389.72
Published
Mar 09, 2021
Tracked Since
Feb 18, 2026