CVE-2026-10702: Vulnerability in Mozilla Firefox
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 151.0.3.
AI Analysis
Technical Summary
This vulnerability involves a Just-In-Time (JIT) miscompilation bug in the JavaScript engine component of Mozilla Firefox. It was reported by Nebula Security and tracked as CVE-2026-10702. The flaw could lead to a denial of service condition due to incorrect JIT compilation. Mozilla fixed this issue in Firefox version 151.0.3. There are no known exploits in the wild at the time of publication.
Potential Impact
The vulnerability can cause a denial of service (application crash) when exploited. There is no impact on confidentiality or integrity according to the CVSS vector. No known active exploitation has been reported.
Mitigation Recommendations
Users should update Firefox to version 151.0.3 or later to remediate this vulnerability. Mozilla has officially fixed the issue in this release. No additional mitigations are required beyond applying the update.
CVE-2026-10702: Vulnerability in Mozilla Firefox
Description
JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 151.0.3.
CVSS v3.1
Score 4.3medium
Affected software
Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a Just-In-Time (JIT) miscompilation bug in the JavaScript engine component of Mozilla Firefox. It was reported by Nebula Security and tracked as CVE-2026-10702. The flaw could lead to a denial of service condition due to incorrect JIT compilation. Mozilla fixed this issue in Firefox version 151.0.3. There are no known exploits in the wild at the time of publication.
Potential Impact
The vulnerability can cause a denial of service (application crash) when exploited. There is no impact on confidentiality or integrity according to the CVSS vector. No known active exploitation has been reported.
Mitigation Recommendations
Users should update Firefox to version 151.0.3 or later to remediate this vulnerability. Mozilla has officially fixed the issue in this release. No additional mitigations are required beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-06-02T17:12:59.021Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-54/","vendor":"Mozilla"}]
Threat ID: 6a1f348ce29bf47b50fa1f22
Added to database: 06/02/2026, 19:52:44 UTC
Last enriched: 07/15/2026, 08:26:12 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 299
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.