CVE-2021-23961 Affecting thunderbird package, versions <1:78.10.0-1


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.86% (83rd percentile)

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  • Snyk ID SNYK-DEBIAN12-THUNDERBIRD-1560917
  • published 27 Jan 2021
  • disclosed 26 Feb 2021

How to fix?

Upgrade Debian:12 thunderbird to version 1:78.10.0-1 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 Debian. See How to fix? for Debian:12 relevant fixed versions and status.

Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 85.

CVSS Scores

version 3.1
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NVD

Recommended
7.4 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Changed
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
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Red Hat

7.4 high
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SUSE

7.4 high