CVE-2017-7847: Debian Linux

Medium severity, CVSS 4.3. EPSS: 1.6% chance of exploitation in the next 30 days.

Crafted CSS in an RSS feed can leak and reveal local path strings, which may contain user name. This vulnerability affects Thunderbird < 52.5.2.

Affected products

• Debian Debian Linux: version 7.0 only; version 8.0 only; version 9.0 only
• Mozilla Thunderbird: before 52.5.2 (fixed in 52.5.2)
• Red Hat Enterprise Linux Aus: version 7.4 only
• Red Hat Enterprise Linux Desktop: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Eus: version 7.4 only; version 7.5 only
• Red Hat Enterprise Linux Server: version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Workstation: version 6.0 only; version 7.0 only

Published 2018-06-11. Last modified 2026-06-17.