title: Red Hat Security Advisory: thunderbird security update
description: firefox: thunderbird: WebChannel APIs susceptible to confused deputy attack firefox: thunderbird: Use-after-free when breaking lines in text firefox: Alt-Svc ALPN validation failure when redirected firefox: Compartment mismatch when parsing JavaScript JSON module firefox: Memory corruption when using JavaScript Text Segmentation firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6 firefox: thunderbird: Memory safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6
cpes: cpe:/a:redhat:rhel_eus:9.4::appstream