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OpenAdvisories
Unscored DSA-5463-1 1 CVE

thunderbird - security update

Published Jul 30, 2023 · Updated Mar 9, 2026

Ecosystem: Debian

Fixed packages 2

ReleasePackageFixed in
Debian · 11 thunderbird 1:102.13.1-1~deb11u1
Debian · 12 thunderbird 1:102.13.1-1~deb12u1

Vulnerabilities 1

  • Unscored —
    CVE-2023-3417

    File Extension Spoofing using the Text Direction Override Character

    Thunderbird allowed the Text Direction Override Unicode Character in filenames. An email attachment could be incorrectly shown as being a document file, while in fact it was an executable file. Newer versions of Thunderbird will strip the character and show t…

    Mozilla Thunderbird thunderbird thunderbird Debian Ubuntu