CVE-2024-3852: Mozilla Firefox

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

GetBoundName could return the wrong version of an object when JIT optimizations were applied. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

Affected products

• Mozilla Firefox: before 115.10 (fixed in 115.10); before 125.0 (fixed in 125.0)
• Mozilla Thunderbird: before 115.10 (fixed in 115.10)

Published 2024-04-16. Last modified 2026-06-17.