Use-after-free vulnerability in Cross-Compartment Wrappers in Firefox and Thunderbird

Use-after-free vulnerability in Cross-Compartment Wrappers in Firefox and Thunderbird

CVE-2023-37202 · HIGH Severity

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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.

Learn more about our Web Application Penetration Testing UK.