CVE-2016-9905: Debian Linux

High severity, CVSS 8.8. EPSS: 2.4% chance of exploitation in the next 30 days.

A potentially exploitable crash in "EnumerateSubDocuments" while adding or removing sub-documents. This vulnerability affects Firefox ESR < 45.6 and Thunderbird < 45.6.

Affected products

• Debian Debian Linux: version 8.0 only
• Mozilla Firefox: before 45.6.0 (fixed in 45.6.0)
• Mozilla Thunderbird: before 45.6.0 (fixed in 45.6.0)
• Red Hat Enterprise Linux Desktop: version 5.0 only; version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Server: version 5.0 only; version 6.0 only; version 7.0 only
• Red Hat Enterprise Linux Workstation: version 5.0 only; version 6.0 only; version 7.0 only

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