CVE-2019-11710: Mozilla Firefox

Critical severity, CVSS 9.8. EPSS: 1.7% chance of exploitation in the next 30 days.

Mozilla developers and community members reported memory safety bugs present in Firefox 67. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 68.

Affected products

• Mozilla Firefox: before 68.0 (fixed in 68.0)
• Opensuse Leap: version 15.0 only; version 15.1 only

Published 2019-07-23. Last modified 2026-06-17.