CVE-2026-16395: Vulnerability in Mozilla Firefox
Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153.
AI Analysis
Technical Summary
An integer overflow vulnerability was identified in the Audio/Video component of Mozilla Firefox. This flaw could potentially lead to security issues if exploited. Mozilla fixed this vulnerability in Firefox 153 as part of a security advisory (MFSA 2026-68) that addressed numerous high-impact vulnerabilities. The advisory confirms the fix and provides references to the underlying bug report. No CVSS score is provided, but the vendor classifies the impact as moderate for this specific vulnerability.
Potential Impact
The integer overflow in the Audio/Video component could allow an attacker to cause unexpected behavior, potentially leading to memory corruption or other security issues. However, the vendor advisory classifies the impact as moderate, and there are no known exploits in the wild. The vulnerability affects the security posture of Firefox prior to version 153.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox 153. Users and administrators should update to Firefox 153 or later to remediate this issue. Since the vendor advisory confirms the fix, no additional mitigation steps are required beyond applying the official update.
CVE-2026-16395: Vulnerability in Mozilla Firefox
Description
Integer overflow in the Audio/Video component. This vulnerability was fixed in Firefox 153.
CVSS v3.1
Score 9.8critical
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
An integer overflow vulnerability was identified in the Audio/Video component of Mozilla Firefox. This flaw could potentially lead to security issues if exploited. Mozilla fixed this vulnerability in Firefox 153 as part of a security advisory (MFSA 2026-68) that addressed numerous high-impact vulnerabilities. The advisory confirms the fix and provides references to the underlying bug report. No CVSS score is provided, but the vendor classifies the impact as moderate for this specific vulnerability.
Potential Impact
The integer overflow in the Audio/Video component could allow an attacker to cause unexpected behavior, potentially leading to memory corruption or other security issues. However, the vendor advisory classifies the impact as moderate, and there are no known exploits in the wild. The vulnerability affects the security posture of Firefox prior to version 153.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox 153. Users and administrators should update to Firefox 153 or later to remediate this issue. Since the vendor advisory confirms the fix, no additional mitigation steps are required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-07-20T21:57:21.672Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/","vendor":"Mozilla"}]
Threat ID: 6a5f6cc12a4a8d5989262923
Added to database: 07/21/2026, 12:57:37 UTC
Last enriched: 07/21/2026, 13:14:47 UTC
Last updated: 07/21/2026, 22:51:54 UTC
Views: 5
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