CVE-2026-16395 Details
Description
Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153 and Thunderbird 153.
An integer overflow vulnerability has been identified in the Audio/Video component of Mozilla Firefox. This issue was present in Firefox versions prior to 153. The vulnerability could potentially be exploited, leading to unspecified consequences.
Users can upgrade to Firefox 153 to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jul 21, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=2047221 | [email protected] | Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2026-68/ | [email protected] | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2026-71/ | [email protected] |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-190 | Integer Overflow or Wraparound | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| mozilla firefox | < 153.0.0 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 22, 2026 | CVE Modified | [email protected] |
| Jul 22, 2026 | Initial Analysis | [email protected] |
| Jul 21, 2026 | CVE Modified | CISA-ADP |
| Jul 21, 2026 | New CVE Received | [email protected] |