CVE-2026-16410: Vulnerability in Mozilla Firefox
CVE-2026-16410 is a high-impact vulnerability in Mozilla Firefox involving JIT miscompilation in the JavaScript Engine's JIT component. This flaw could affect the correct execution of JavaScript code. The issue was fixed in Firefox version 153. Users running versions prior to 153 are vulnerable.
AI Analysis
Technical Summary
This vulnerability involves a Just-In-Time (JIT) miscompilation flaw in the JavaScript Engine's JIT component of Mozilla Firefox. The miscompilation could lead to incorrect execution of JavaScript code, potentially impacting security. The vulnerability was addressed and fixed in Firefox 153. There is no CVSS score provided, but the vendor advisory categorizes the impact as high. No known exploits in the wild have been reported. The vendor advisory is the authoritative source confirming the fix in Firefox 153.
Potential Impact
The vulnerability can cause incorrect JavaScript execution due to JIT miscompilation, which may lead to security issues such as privilege escalation or sandbox escape, as implied by the high impact rating in the vendor advisory. However, no specific exploitation details or known active exploits have been reported.
Mitigation Recommendations
A fix is available and was implemented in Firefox version 153. Users and administrators should update to Firefox 153 or later to remediate this vulnerability. No additional mitigation actions are indicated by the vendor advisory.
CVE-2026-16410: Vulnerability in Mozilla Firefox
Description
CVE-2026-16410 is a high-impact vulnerability in Mozilla Firefox involving JIT miscompilation in the JavaScript Engine's JIT component. This flaw could affect the correct execution of JavaScript code. The issue was fixed in Firefox version 153. Users running versions prior to 153 are vulnerable.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a Just-In-Time (JIT) miscompilation flaw in the JavaScript Engine's JIT component of Mozilla Firefox. The miscompilation could lead to incorrect execution of JavaScript code, potentially impacting security. The vulnerability was addressed and fixed in Firefox 153. There is no CVSS score provided, but the vendor advisory categorizes the impact as high. No known exploits in the wild have been reported. The vendor advisory is the authoritative source confirming the fix in Firefox 153.
Potential Impact
The vulnerability can cause incorrect JavaScript execution due to JIT miscompilation, which may lead to security issues such as privilege escalation or sandbox escape, as implied by the high impact rating in the vendor advisory. However, no specific exploitation details or known active exploits have been reported.
Mitigation Recommendations
A fix is available and was implemented in Firefox version 153. Users and administrators should update to Firefox 153 or later to remediate this vulnerability. No additional mitigation actions are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-07-20T21:57:51.809Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-68/","vendor":"Mozilla"}]
Threat ID: 6a5f6cc42a4a8d5989262a0c
Added to database: 07/21/2026, 12:57:40 UTC
Last enriched: 07/21/2026, 13:13:13 UTC
Last updated: 07/21/2026, 13:13:13 UTC
Views: 3
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