CVE-2023-37202: Debian Linux

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

Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment resulting in a use-after-free. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only; version 12.0 only
• Mozilla Firefox: before 115.0 (fixed in 115.0)
• Mozilla Firefox ESR: before 102.13 (fixed in 102.13)
• Mozilla Thunderbird: before 102.13 (fixed in 102.13)

Published 2023-07-05. Last modified 2026-06-17.