CVE-2021-38503

Multiple security issues have been found in the Mozilla Firefox web browser, which could potentially result in the execution of arbitrary code, information disclosure or spoofing Debian follows the extended support releases (ESR) of Firefox Support for the 78x series has ended, so starting with this update we're now following the 91x releases ...

Multiple security issues were discovered in Thunderbird, which could result in the execution of arbitrary code, spoofing, information disclosure, downgrade attacks on SMTP STARTTLS connections or misleading display of OpenPGP/MIME signatures For the oldstable distribution (buster), these problems have been fixed in version 1:9141-1~deb10u1 For ...

The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame ...

Mozilla Foundation Security Advisory 2021-49 Security Vulnerabilities fixed in Firefox ESR 913 Announced November 2, 2021 Impact high Products Firefox ESR Fixed in Firefox ESR 913 ...

Mozilla Foundation Security Advisory 2021-50 Security Vulnerabilities fixed in Thunderbird 913 Announced November 3, 2021 Impact high Products Thunderbird Fixed in Thunderbird 913 ...

Mozilla Foundation Security Advisory 2021-48 Security Vulnerabilities fixed in Firefox 94 Announced November 2, 2021 Impact high Products Firefox Fixed in Firefox 94 ...