Mozilla Firefox up to 121 JIT Code null pointer dereference

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as problematic has been found in Mozilla Firefox up to 121. This affects an unknown function of the component JIT Code Handler. Executing a manipulation can lead to null pointer dereference. This vulnerability is tracked as CVE-2024-0744. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.
Details
A vulnerability has been found in Mozilla Firefox up to 121 (Web Browser) and classified as problematic. This vulnerability affects an unknown part of the component JIT Code Handler. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:
In some circumstances, JIT compiled code could have dereferenced a wild pointer value. This could have led to an exploitable crash. This vulnerability affects Firefox < 122.
The weakness was disclosed 01/23/2024. The advisory is available at bugzilla.mozilla.org. This vulnerability was named CVE-2024-0744 since 01/19/2024. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.
Upgrading to version 122 eliminates this vulnerability.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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: 6.4VulDB Meta Temp Score: 6.4
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CNA Base Score: 7.5
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Firefox 122
Timeline
01/19/2024 🔍01/23/2024 🔍
01/23/2024 🔍
04/20/2025 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: bugzilla.mozilla.org
Status: Confirmed
CVE: CVE-2024-0744 (🔍)
GCVE (CVE): GCVE-0-2024-0744
GCVE (VulDB): GCVE-100-251842
Entry
Created: 01/23/2024 15:11Updated: 04/20/2025 14:05
Changes: 01/23/2024 15:11 (41), 02/17/2024 08:55 (11), 09/11/2024 03:01 (27), 04/20/2025 14:05 (3)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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