CVE-2026-4710
Received Received - Intake
Boundary Check Vulnerability in Firefox Audio/Video Component

Publication date: 2026-03-24

Last updated on: 2026-04-13

Assigner: Mozilla Corporation

Description
Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
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Meta Information
Published
2026-03-24
Last Modified
2026-04-13
Generated
2026-06-16
AI Q&A
2026-03-24
EPSS Evaluated
2026-06-15
NVD
CVE-2026-4710
EUVD
EUVD-2026-14835
Affected Vendors & Products
Showing 4 associated CPEs
Vendor Product Version / Range
mozilla firefox to 149.0 (exc)
mozilla firefox to 140.9.0 (exc)
mozilla thunderbird to 149.0 (exc)
mozilla thunderbird to 140.9.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
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Executive Summary

This vulnerability involves incorrect boundary conditions in the Audio/Video component of Firefox browsers. It affects versions of Firefox earlier than 149 and Firefox ESR versions earlier than 140.9.

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