CVE-2023-6861

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 121 Firefox ESR versions prior to 115.6 Thunderbird versions prior to 115.6

Description The issue is related to a heap buffer overflow in the nsWindow::PickerOpen(void) method when running in headless mode. This could potentially allow a remote attacker to impact the confidentiality, integrity, and availability of protected information.

Recommendations For Firefox versions prior to 121, update to version 121 or later. For Firefox ESR versions prior to 115.6, update to version 115.6 or later. For Thunderbird versions prior to 115.6, update to version 115.6 or later.