CVE-2026-2806
Uninitialized Memory Exposure in Firefox Graphics Text Component
Publication date: 2026-02-24
Last updated on: 2026-04-13
Assigner: Mozilla Corporation
Description
Description
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) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-908 | The product uses or accesses a resource that has not been initialized. |
| CWE-457 | The code uses a variable that has not been initialized, leading to unpredictable or unintended results. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves uninitialized memory in the Graphics: Text component of Firefox versions earlier than 148. Uninitialized memory means that the software may use memory that has not been properly set up, which can lead to unpredictable behavior or potential security issues.
How can this vulnerability impact me? :
Exploitation of uninitialized memory can potentially lead to information disclosure, crashes, or other unexpected behavior in Firefox. This could affect the stability and security of the browser, possibly exposing sensitive data or allowing attackers to execute further attacks.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know