CVE-2022-46874

HIGH

Firefox < 108 and Firefox ESR < 102.6 - Code Injection via Filename Truncation

Title source: llm
STIX 2.1

Description

A file with a long filename could have had its filename truncated to remove the valid extension, leaving a malicious extension in its place. This could potentially led to user confusion and the execution of malicious code.<br/>*Note*: This issue was originally included in the advisories for Thunderbird 102.6, but a patch (specific to Thunderbird) was omitted, resulting in it actually being fixed in Thunderbird 102.6.1. This vulnerability affects Firefox < 108, Thunderbird < 102.6.1, Thunderbird < 102.6, and Firefox ESR < 102.6.

Scores

CVSS v3 8.8
EPSS 0.0044
EPSS Percentile 63.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-94
Status published
Products (3)
mozilla/firefox < 108.0
mozilla/firefox_esr < 102.6
mozilla/thunderbird < 102.6
Published Dec 22, 2022
Tracked Since Feb 18, 2026