CVE-2023-3417

File Extension Spoofing using the Text Direction Override Character

State
Published
Severity
Not scored
Published
Jul 24, 2023
Updated
Dec 18, 2025
Reserved
Jun 26, 2023

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
ThunderbirdMozilla
  • before 115.0.1Affected
ThunderbirdMozilla
  • before 102.13.1Affected

References

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