CVE-2019-13739

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-12-10 · updated 2026-06-17

Description

Insufficient policy enforcement in Omnibox in Google Chrome prior to 79.0.3945.79 allowed a remote attacker to perform domain spoofing via IDN homographs via a crafted domain name.

Affected products

Debian Linux: 9.0, 10.0
Fedoraproject Fedora: 30, 31
Google Chrome: before 79.0.3945.79 — fixed in 79.0.3945.79
RedHat Enterprise Linux Desktop: 6.0
RedHat Enterprise Linux For Scientific Computing: 6.0
RedHat Enterprise Linux Server: 6.0
RedHat Enterprise Linux Workstation: 6.0

How to fix

Upgrade to a fixed version: Google Chrome 79.0.3945.79. Check the vendor advisory for mitigations.

References

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00036.html
https://access.redhat.com/errata/RHSA-2019:4238
https://chromereleases.googleblog.com/2019/12/stable-channel-update-for-desktop.html
https://crbug.com/824715
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2Z5M4FPUMDNX2LDPHJKN5ZV5GIS2AKNU/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N5CIQCVS6E3ULJCNU7YJXJPO2BLQZDTK/
https://seclists.org/bugtraq/2020/Jan/27
https://security.gentoo.org/glsa/202003-08
https://www.debian.org/security/2020/dsa-4606
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00032.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00036.html

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