Use-after-free in the DOM: Core & HTML component. (CVE-2026-92028)
A use-after-free vulnerability exists in the DOM Core & HTML component of Firefox. This security flaw was addressed and fixed in Firefox 156 and Firefox ESR versions 115.41, 140.16, and 153.3. The vulnerability has a high impact rating according to the Mozilla advisory. No active exploits in the wild have been reported. Users are advised to update to the fixed versions to mitigate the risk.
AI Analysis
Technical Summary
CVE-2026-92028 is a use-after-free vulnerability affecting the DOM Core & HTML component in Firefox. This vulnerability allows potential memory corruption issues that could be exploited to cause unexpected behavior or security breaches. Mozilla fixed this vulnerability in Firefox 156 and Firefox ESR versions 115.41, 140.16, and 153.3 as part of a broader security update addressing multiple high-impact vulnerabilities. The vendor advisory confirms the fix and rates the impact as high.
Potential Impact
The vulnerability could lead to memory corruption due to use-after-free conditions in the DOM Core & HTML component, potentially allowing attackers to execute arbitrary code or cause a denial of service. Mozilla rates the impact as high, indicating serious security implications if exploited. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
A fix is available and has been released by Mozilla. Users and administrators should update to Firefox 156 or Firefox ESR versions 115.41, 140.16, or 153.3 to remediate this vulnerability. No additional mitigation steps are required beyond applying the official update.
Use-after-free in the DOM: Core & HTML component. (CVE-2026-92028)
Description
A use-after-free vulnerability exists in the DOM Core & HTML component of Firefox. This security flaw was addressed and fixed in Firefox 156 and Firefox ESR versions 115.41, 140.16, and 153.3. The vulnerability has a high impact rating according to the Mozilla advisory. No active exploits in the wild have been reported. Users are advised to update to the fixed versions to mitigate the risk.
Affected software
pkg:github/mozilla/firefox-esrRun 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
CVE-2026-92028 is a use-after-free vulnerability affecting the DOM Core & HTML component in Firefox. This vulnerability allows potential memory corruption issues that could be exploited to cause unexpected behavior or security breaches. Mozilla fixed this vulnerability in Firefox 156 and Firefox ESR versions 115.41, 140.16, and 153.3 as part of a broader security update addressing multiple high-impact vulnerabilities. The vendor advisory confirms the fix and rates the impact as high.
Potential Impact
The vulnerability could lead to memory corruption due to use-after-free conditions in the DOM Core & HTML component, potentially allowing attackers to execute arbitrary code or cause a denial of service. Mozilla rates the impact as high, indicating serious security implications if exploited. No known exploits in the wild have been reported at this time.
Mitigation Recommendations
A fix is available and has been released by Mozilla. Users and administrators should update to Firefox 156 or Firefox ESR versions 115.41, 140.16, or 153.3 to remediate this vulnerability. No additional mitigation steps are required beyond applying the official update.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-qm5r-cp4c-rchw
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-92028"]
- State
- PUBLISHED
Threat ID: 6aaa081155bf5e2cf5ea4837
Added to database: 09/16/2026, 03:08:01 UTC
Last enriched: 09/16/2026, 05:06:23 UTC
Last updated: 09/16/2026, 05:06:23 UTC
Views: 4
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