Cross-site Scripting (XSS) Affecting thunderbird package, versions <0:78.5.0-1.0.1.el7_9


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.14% (51st percentile)

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  • Snyk IDSNYK-ORACLE7-THUNDERBIRD-2572933
  • published10 Apr 2022
  • disclosed9 Dec 2020

Introduced: 9 Dec 2020

CVE-2020-26958  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade Oracle:7 thunderbird to version 0:78.5.0-1.0.1.el7_9 or higher.
This issue was patched in ELSA-2020-5235.

NVD Description

Note: Versions mentioned in the description apply only to the upstream thunderbird package and not the thunderbird package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker. This could lead to a cross-site script inclusion vulnerability, or a Content Security Policy bypass. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

CVSS Scores

version 3.1