Inadequate Encryption Strength Affecting thunderbird package, versions <1:78.9.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.74% (50th percentile)

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  • Snyk IDSNYK-ECHOLATEST-THUNDERBIRD-18319180
  • published26 Jul 2026
  • disclosed31 Mar 2021

Introduced: 31 Mar 2021

CVE-2021-23982  (opens in a new tab)
CWE-326  (opens in a new tab)

How to fix?

Upgrade Echo:latest thunderbird to version 1:78.9.0-1 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 Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

CVSS Base Scores

version 3.1