CVE-2024-5695: Mozilla Firefox

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

If an out-of-memory condition occurs at a specific point using allocations in the probabilistic heap checker, an assertion could have been triggered, and in rarer situations, memory corruption could have occurred. This vulnerability affects Firefox < 127.

Affected products

• Mozilla Firefox: before 127.0 (fixed in 127.0)

Published 2024-06-11. Last modified 2026-06-17.