CVE-2026-92058: Vulnerability in Mozilla Firefox
Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156.
AI Analysis
Technical Summary
CVE-2026-92058 is a use-after-free vulnerability affecting the Graphics component of Mozilla Firefox. This type of vulnerability can lead to memory corruption issues. Mozilla fixed this vulnerability in Firefox 156 and Firefox ESR 153.3 as part of their security updates. The vendor advisory confirms the fix and rates the impact as high.
Potential Impact
The vulnerability could allow an attacker to exploit memory corruption in the Graphics component, potentially leading to arbitrary code execution or a crash. However, no active exploitation has been reported. The impact is considered high by Mozilla.
Mitigation Recommendations
Users and administrators should update to Firefox 156 or later, or Firefox ESR 153.3 or later, to remediate this vulnerability. The vendor advisory confirms that the issue is fixed in these versions. No additional mitigation actions are required.
CVE-2026-92058: Vulnerability in Mozilla Firefox
Description
Use-after-free in the Graphics component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, and Thunderbird 156.
Affected software
Mozilla
Firefox
Mozilla
Thunderbird
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-92058 is a use-after-free vulnerability affecting the Graphics component of Mozilla Firefox. This type of vulnerability can lead to memory corruption issues. Mozilla fixed this vulnerability in Firefox 156 and Firefox ESR 153.3 as part of their security updates. The vendor advisory confirms the fix and rates the impact as high.
Potential Impact
The vulnerability could allow an attacker to exploit memory corruption in the Graphics component, potentially leading to arbitrary code execution or a crash. However, no active exploitation has been reported. The impact is considered high by Mozilla.
Mitigation Recommendations
Users and administrators should update to Firefox 156 or later, or Firefox ESR 153.3 or later, to remediate this vulnerability. The vendor advisory confirms that the issue is fixed in these versions. No additional mitigation actions are required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-09-15T12:34:19.276Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-90/","vendor":"Mozilla"},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-93/","vendor":"Mozilla"}]
Threat ID: 6aa93e6755bf5e2cf5d31012
Added to database: 09/15/2026, 12:47:35 UTC
Last enriched: 09/15/2026, 13:02:34 UTC
Last updated: 09/16/2026, 04:01:24 UTC
Views: 9
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