What’s Vulnerable › Vulnerabilities

CVE-2018-6109

• Severity: medium (CVSS 6.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-09 · updated 2026-06-17
• Weakness: CWE-200

Description

readAsText() can indefinitely read the file picked by the user, rather than only once at the time the file is picked in File API in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to access data on the user file system without explicit consent via a crafted HTML page.

Affected products

• Debian Linux: 8.0, 9.0
• Google Chrome: before 66.0.3359.117 — fixed in 66.0.3359.117
• RedHat Enterprise Linux Desktop: 6.0
• RedHat Enterprise Linux Server: 6.0
• RedHat Enterprise Linux Workstation: 6.0

How to fix

Upgrade to a fixed version: Google Chrome 66.0.3359.117. Check the vendor advisory for mitigations.

References

• http://www.securityfocus.com/bid/103917
• https://access.redhat.com/errata/RHSA-2018:1195
• https://chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop.html
• https://crbug.com/710190
• https://security.gentoo.org/glsa/201804-22
• https://www.debian.org/security/2018/dsa-4182
• http://www.securityfocus.com/bid/103917
• https://access.redhat.com/errata/RHSA-2018:1195
• https://chromereleases.googleblog.com/2018/04/stable-channel-update-for-desktop.html
• https://crbug.com/710190
• https://security.gentoo.org/glsa/201804-22
• https://www.debian.org/security/2018/dsa-4182

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