Incorrect Permission Assignment for Critical Resource Affecting thunderbird package, versions <0:91.3.0-2.el8_4


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.53% (78th percentile)

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 IDSNYK-CENTOS8-THUNDERBIRD-2126870
  • published3 Nov 2021
  • disclosed2 Nov 2021

Introduced: 2 Nov 2021

CVE-2021-38503  (opens in a new tab)
CWE-732  (opens in a new tab)

How to fix?

Upgrade Centos:8 thunderbird to version 0:91.3.0-2.el8_4 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 Centos. See How to fix? for Centos:8 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.

CVSS Scores

version 3.1