CVE-2024-11697: Mozilla Firefox

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

When handling keypress events, an attacker may have been able to trick a user into bypassing the "Open Executable File?" confirmation dialog. This could have led to malicious code execution. This vulnerability affects Firefox < 133, Firefox ESR < 128.5, Thunderbird < 133, and Thunderbird < 128.5.

Affected products

• Mozilla Firefox: before 128.5.0 (fixed in 128.5.0); before 133.0 (fixed in 133.0)
• Mozilla Thunderbird: before 128.5.0 (fixed in 128.5.0); from 129.0, before 133.0 (fixed in 133.0)

Published 2024-11-26. Last modified 2026-06-17.