CVE-2026-2785: Vulnerability in Mozilla Firefox
Invalid pointer in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
AI Analysis
Technical Summary
CVE-2026-2785 describes an invalid pointer vulnerability within the JavaScript Engine component of Mozilla Firefox. This vulnerability is one among many memory safety and use-after-free issues addressed in Firefox 148 and Firefox ESR 140.8. The CVSS v3.1 base score is 8.8, indicating high severity overall for the grouped vulnerabilities, but this specific CVE is noted as moderate impact. The issue was reported by multiple security researchers and fixed in the official Mozilla releases. The vulnerability could potentially lead to memory corruption but no active exploitation has been observed.
Potential Impact
The vulnerability could lead to memory corruption in the JavaScript Engine, potentially allowing an attacker to cause a crash or execute arbitrary code. However, no known exploits in the wild have been reported. The overall impact is considered moderate for this specific CVE, while related vulnerabilities fixed in the same releases have high impact.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 148 and Firefox ESR 140.8. Users and administrators should update to these versions or later to remediate the issue. Since the vulnerability is fixed in these versions, no further immediate action is required beyond applying the update.
CVE-2026-2785: Vulnerability in Mozilla Firefox
Description
Invalid pointer in the JavaScript Engine component. This vulnerability was fixed in Firefox 148, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-2785 describes an invalid pointer vulnerability within the JavaScript Engine component of Mozilla Firefox. This vulnerability is one among many memory safety and use-after-free issues addressed in Firefox 148 and Firefox ESR 140.8. The CVSS v3.1 base score is 8.8, indicating high severity overall for the grouped vulnerabilities, but this specific CVE is noted as moderate impact. The issue was reported by multiple security researchers and fixed in the official Mozilla releases. The vulnerability could potentially lead to memory corruption but no active exploitation has been observed.
Potential Impact
The vulnerability could lead to memory corruption in the JavaScript Engine, potentially allowing an attacker to cause a crash or execute arbitrary code. However, no known exploits in the wild have been reported. The overall impact is considered moderate for this specific CVE, while related vulnerabilities fixed in the same releases have high impact.
Mitigation Recommendations
Mozilla has released official fixes for this vulnerability in Firefox 148 and Firefox ESR 140.8. Users and administrators should update to these versions or later to remediate the issue. Since the vulnerability is fixed in these versions, no further immediate action is required beyond applying the update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-02-19T15:06:21.995Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 699daf70be58cf853bdde20e
Added to database: 2/24/2026, 2:02:24 PM
Last enriched: 4/14/2026, 12:04:27 PM
Last updated: 5/26/2026, 7:55:34 AM
Views: 194
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