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Mozilla CVE-2025-4089

MEDIUM
Command Injection (CWE-77)
2025-04-29 security@mozilla.org
Command Injection RCE Mozilla
5.1
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.1 MEDIUM
AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
SUSE
MEDIUM
qualitative
Red Hat
6.3 MEDIUM
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Patch released
Apr 06, 2026 - 02:30 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 18:39 vuln.today
CVE Published
Apr 29, 2025 - 14:15 nvd
MEDIUM 5.1

DescriptionCVE.org

Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability affects Firefox < 138 and Thunderbird < 138.

AnalysisAI

Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's. Rated medium severity (CVSS 5.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. Due to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could trick a user into using this command, potentially leading to local code execution on the user's system. This vulnerability affects Firefox < 138 and Thunderbird < 138. Affected products include: Mozilla Firefox, Mozilla Thunderbird.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.

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Same weakness CWE-77 – Command Injection

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Same technique Command Injection

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Vendor StatusVendor

SUSE

Severity: Medium
Product Status
openSUSE Tumbleweed Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise Desktop 15 SP7 Fixed
SUSE Linux Enterprise High Performance Computing 15 SP7 Fixed
SUSE Linux Enterprise Module for Desktop Applications 15 SP7 Fixed

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CVE-2025-4089 vulnerability details – vuln.today
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