CVE-2026-124903 Sandbox escape due to use-after-free in the IPC component
Exploit status: No public exploit known
Affects: mozilla Firefox, mozilla Thunderbird
Sandbox escape due to use-after-free in the IPC component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.