CVE-2021-21187
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-21187
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21187.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2021-21187
- Downstream
- Related
- Published
- 2021-03-09T18:15:17Z
- Modified
- 2025-08-09T19:01:28Z
- Severity
-
- 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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
-
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop.html
- https://security.gentoo.org/glsa/202104-08
- https://www.debian.org/security/2021/dsa-4886
- https://crbug.com/1155516
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBT54RKAE5XLMWSHLVUKJ7T2XHHYMXLH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FE5SIKEVYTMDCC5OSXGOM2KRPYLHYMQX/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LCIDZ77XUDMB2EBPPWCQXPEIJERDNSNT/
- https://security-tracker.debian.org/tracker/CVE-2021-21187
Affected packages
Debian:11 / chromium
Package
- Name
- chromium
- Purl
- pkg:deb/debian/chromium?arch=source
Debian:12 / chromium
Package
- Name
- chromium
- Purl
- pkg:deb/debian/chromium?arch=source
Debian:13 / chromium
Package
- Name
- chromium
- Purl
- pkg:deb/debian/chromium?arch=source
Debian:14 / chromium
Package
- Name
- chromium
- Purl
- pkg:deb/debian/chromium?arch=source