CVE-2026-4724
Received
Received - Intake
Undefined Behavior in Firefox Audio/Video Component Prior to
Publication date: 2026-03-24
Last updated on: 2026-04-13
Assigner: Mozilla Corporation
Description
Description
Undefined behavior in the Audio/Video component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | to 149.0 (exc) |
| mozilla | thunderbird | to 149.0 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-758 | The product uses an API function, data structure, or other entity in a way that relies on properties that are not always guaranteed to hold for that entity. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability involves undefined behavior in the Audio/Video component of Firefox versions earlier than 149.
How can this vulnerability impact me? :
I don't know
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
Ask Our AI Assistant
Need more information? Ask your question to get an AI reply (Powered by our expertise)
0/70