Encoding Error Affecting thunderbird package, versions <0:68.8.0-1.el8_2


Severity

Recommended
critical

Based on CentOS security rating.

Threat Intelligence

EPSS
0.1% (44th percentile)

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  • Snyk IDSNYK-CENTOS8-THUNDERBIRD-2041460
  • published26 Jul 2021
  • disclosed5 May 2020

Introduced: 5 May 2020

CVE-2020-12397  (opens in a new tab)
CWE-172  (opens in a new tab)

How to fix?

Upgrade Centos:8 thunderbird to version 0:68.8.0-1.el8_2 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.

By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird < 68.8.0.

CVSS Scores

version 3.1