CVE-2023-3417

—

CVSS 3.1

7.5 high

EPSS

<1%p50

Published

Jul 24, 2023 (Jul 24, 2023)

Modified

Jun 17, 2026

Description

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 the correct file extension. This vulnerability affects Thunderbird < 115.0.1 and Thunderbird < 102.13.1.

Vendors: mozilla debian
Products: thunderbird, debian linux
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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