Homepage
About Snyk

Incorrect Authorization Affecting thunderbird package, versions <1:91.4.1-1~deb10u1

0.0
critical

Snyk CVSS

    Attack Complexity Low
    Scope Changed
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.7% (81st percentile)
Expand this section
NVD
10 critical
Expand this section
SUSE
7.5 high
Expand this section
Red Hat
10 critical

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-DEBIAN10-THUNDERBIRD-1912466
  • published 3 Nov 2021
  • disclosed 8 Dec 2021
Report a new vulnerability Found a mistake?

Introduced: 3 Nov 2021

CVE-2021-38503 Open this link in a new tab
CWE-863 Open this link in a new tab

How to fix?

Upgrade Debian:10 thunderbird to version 1:91.4.1-1~deb10u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

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. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.