CVE-2020-6796: Mozilla Firefox

High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days.

A content process could have modified shared memory relating to crash reporting information, crash itself, and cause an out-of-bound write. This could have caused memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 73 and Firefox < ESR68.5.

Affected products

• Mozilla Firefox: before 73.0 (fixed in 73.0)
• Mozilla Firefox ESR: before 68.5.0 (fixed in 68.5.0)

Published 2020-03-02. Last modified 2026-06-17.