Mozilla: Bypass of CSP sandbox directive when embedding

Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

DEBIAN-CVE-2021-43541

When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

DEBIAN-CVE-2021-43543

Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...

UBUNTU-CVE-2021-43537

An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird 91.4.0, Firefox ESR 91.4.0, and Firefox 95...