CVE-2026-2785
Received
Received - Intake
Invalid Pointer Vulnerability in Firefox JavaScript Engine
Publication date: 2026-02-24
Last updated on: 2026-04-13
Assigner: Mozilla Corporation
Description
Description
Invalid pointer in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | to 148.0 (exc) |
| mozilla | thunderbird | to 148.0 (exc) |
| mozilla | thunderbird | to 140.8.0 (exc) |
| mozilla | firefox | to 140.8.0 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-824 | The product accesses or uses a pointer that has not been initialized. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is caused by an invalid pointer in the JavaScript Engine component of Firefox browsers. It affects versions of Firefox earlier than 148 and Firefox ESR versions earlier than 140.8.
How can this vulnerability impact me? :
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How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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What immediate steps should I take to mitigate this vulnerability?
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