RLSA-2026:47105 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: libaom: libaom: heap buffer overflow in AV1 encoder first-pass stats buffer via LAP mode CVE-2026-56208 firefox: thunderbird: Site isolation issue in the DOM: Navigation...

Mozilla Thunderbird < 140.13

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.13. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-72 advisory. - Memory safety bugs present in Thunderbird ESR 140.12 and Thunderbird 152. Some of these bugs showed...