CVE-2024-5702: Mozilla Firefox

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Memory corruption in the networking stack could have led to a potentially exploitable crash. This vulnerability affects Firefox < 125, Firefox ESR < 115.12, and Thunderbird < 115.12.

Affected products

• Mozilla Firefox: before 115.12 (fixed in 115.12); before 125.0 (fixed in 125.0)
• Mozilla Thunderbird: before 115.12 (fixed in 115.12)

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