CVE-2018-6091: Debian Linux

Medium severity, CVSS 6.5. EPSS: 2.1% chance of exploitation in the next 30 days.

Service Workers can intercept any request made by an <embed> or <object> tag in Fetch API in Google Chrome prior to 66.0.3359.117 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Google Chrome: before 66.0.3359.117 (fixed in 66.0.3359.117)
• Red Hat Enterprise Linux Desktop: version 6.0 only
• Red Hat Enterprise Linux Server: version 6.0 only
• Red Hat Enterprise Linux Workstation: version 6.0 only

Published 2019-01-09. Last modified 2026-06-17.