CVE-2024-2616: Mozilla Firefox

Low severity, CVSS 2.7. EPSS: 0.7% chance of exploitation in the next 30 days.

To harden ICU against exploitation, the behavior for out-of-memory conditions was changed to crash instead of attempt to continue. This vulnerability affects Firefox ESR < 115.9 and Thunderbird < 115.9.

Affected products

• Mozilla Firefox: before 115.9.0 (fixed in 115.9.0)
• Mozilla Thunderbird: before 115.9.0 (fixed in 115.9.0)

Published 2024-03-19. Last modified 2026-06-17.