Mozilla Firefox up to 144 JIT compiler optimization removal or modification of security-critical code

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability described as critical has been identified in Mozilla Firefox up to 144. The affected element is an unknown function of the component JIT Component. Executing a manipulation can lead to Remote Code Execution. This vulnerability appears as CVE-2025-13024. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.
Details
A vulnerability was found in Mozilla Firefox up to 144. It has been declared as critical. This vulnerability affects an unknown code block of the component JIT Component. The manipulation with an unknown input leads to a remote code execution vulnerability. The CWE definition for the vulnerability is CWE-733. The developer builds a security-critical protection mechanism into the software, but the compiler optimizes the program such that the mechanism is removed or modified. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability affects Firefox < 145 and Thunderbird < 145.
The advisory is shared for download at bugzilla.mozilla.org. This vulnerability was named CVE-2025-13024 since 11/11/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/07/2026).
The vulnerability scanner Nessus provides a plugin with the ID 275013 (Linux Distros Unpatched Vulnerability : CVE-2025-13024), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 145 eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (275013) and CERT Bund (WID-SEC-2025-2566). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Affected
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- SUSE Linux
- Oracle Linux
- SUSE openSUSE
- RESF Rocky Linux
- IGEL OS
- Mozilla Firefox ESR
- Mozilla Firefox
- Mozilla Thunderbird
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Compiler optimization removal or modification of security-critical codeCWE: CWE-733
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 275013
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-13024
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Firefox 145
Timeline
11/11/2025 Advisory disclosed11/11/2025 CVE reserved
11/11/2025 VulDB entry created
01/07/2026 VulDB entry last update
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: bugzilla.mozilla.org
Status: Confirmed
CVE: CVE-2025-13024 (🔒)
GCVE (CVE): GCVE-0-2025-13024
GCVE (VulDB): GCVE-100-332008
CERT Bund: WID-SEC-2025-2566 - Mozilla Firefox und Firefox ESR: Mehrere Schwachstellen
Entry
Created: 11/11/2025 19:55Updated: 01/07/2026 04:53
Changes: 11/11/2025 19:55 (54), 11/12/2025 15:23 (2), 11/12/2025 17:28 (7), 11/13/2025 17:52 (1), 11/16/2025 09:13 (1), 11/17/2025 21:56 (1), 11/20/2025 07:00 (1), 11/21/2025 18:08 (1), 01/07/2026 04:53 (1)
Complete: 🔍
Cache ID: 216:D8C:103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.