CVE-2025-6426

Description

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: The executable file warning did not warn users before opening files with the terminal extension. This bug only affects Firefox and Thunderbird for macOS. Other versions of Thunderbird are unaffected.

Statement

Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.

Common Vulnerability Scoring System (CVSS) Score Details

Info alert:Important note

CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).

The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 Score Breakdown

Red HatNVDcve.org
Base Score6.1N/A8.8
Attack VectorNetworkN/ANetwork
Attack ComplexityLowN/ALow
Privileges RequiredNoneN/ANone
User InteractionRequiredN/ARequired
ScopeChangedN/AUnchanged
ConfidentialityLowN/AHigh
Integrity ImpactLowN/AHigh
Availability ImpactNoneN/AHigh

Vector

Red Hat: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

cve.org: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Frequently Asked Questions

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