Product UI does not Warn User of Unsafe Actions Affecting thunderbird package, versions *


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.91% (60th percentile)

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  • Snyk IDSNYK-RHEL10-THUNDERBIRD-22213081
  • published5 Nov 2026
  • disclosed15 Sept 2019

Introduced: 15 Sep 2019

CVE-2019-11739  (opens in a new tab)
CWE-356  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:10 thunderbird.

NVD Description

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

Encrypted S/MIME parts in a crafted multipart/alternative message can leak plaintext when included in a a HTML reply/forward. This vulnerability affects Thunderbird < 68.1 and Thunderbird < 60.9.

CVSS Base Scores

version 3.1