Mozilla Firefox up to 145 JIT Remote Code Execution

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Mozilla Firefox up to 145. This issue affects some unknown processing of the component JIT. The manipulation leads to an unknown weakness. This vulnerability is documented as CVE-2025-14325. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Mozilla Firefox up to 145. It has been rated as critical. This issue affects some unknown functionality of the component JIT. The impact remains unknown. The summary by CVE is:

JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 146, Firefox ESR < 140.6, Thunderbird < 146, and Thunderbird < 140.6.

The advisory is shared at bugzilla.mozilla.org. The identification of this vulnerability is CVE-2025-14325 since 12/09/2025. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/06/2026).

The vulnerability scanner Nessus provides a plugin with the ID 278145 (RHEL 9 : firefox (RHSA-2025:23034)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 146 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (278145) and CERT Bund (WID-SEC-2025-2812). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • SUSE openSUSE
  • RESF Rocky Linux
  • Mozilla Firefox
  • Mozilla Firefox ESR
  • Mozilla Thunderbird

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 278145
Nessus Name: RHEL 9 : firefox (RHSA-2025:23034)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Firefox 146

Timelineinfo

12/09/2025 Advisory disclosed
12/09/2025 +0 days CVE reserved
12/09/2025 +0 days VulDB entry created
01/06/2026 +28 days VulDB entry last update

Sourcesinfo

Vendor: mozilla.org
Product: mozilla.org

Advisory: bugzilla.mozilla.org
Status: Confirmed

CVE: CVE-2025-14325 (🔒)
GCVE (CVE): GCVE-0-2025-14325
GCVE (VulDB): GCVE-100-335141
CERT Bund: WID-SEC-2025-2812 - Mozilla Firefox: Mehrere Schwachstellen

Entryinfo

Created: 12/09/2025 14:50
Updated: 01/06/2026 14:32
Changes: 12/09/2025 14:50 (54), 12/10/2025 15:54 (7), 12/10/2025 16:34 (1), 12/11/2025 04:51 (2), 12/11/2025 14:57 (1), 01/04/2026 23:22 (1), 01/06/2026 14:32 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

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