CVE-2026-92031
Received Received - Intake

Information Disclosure in Firefox ImageLib

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Mozilla Corporation

Description
Information disclosure in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, and Firefox ESR 153.3.

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Meta Information

Published
2026-09-15
Last Modified
2026-09-15
Generated
2026-09-15
AI Q&A
2026-09-15
EPSS Evaluated
N/A
NVD
CVE-2026-92031
EUVD
EUVD-2026-78494

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
mozilla firefox 156
mozilla firefox_esr 140.16
mozilla firefox_esr 153.3

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is an information disclosure vulnerability in Firefox's Graphics: ImageLib component. It was patched in Firefox 156, Firefox ESR 140.16, and Firefox ESR 153.3. The flaw allowed unauthorized access to sensitive data through the affected component.

Detection Guidance

This vulnerability is fixed in Firefox 156, Firefox ESR 140.16, and Firefox ESR 153.3. To detect it, check your installed Firefox version using commands like 'firefox --version' or 'about:support' in Firefox. If your version is older than these, the system is vulnerable.

Impact Analysis

If exploited, this vulnerability could allow attackers to access confidential or sensitive information processed by the Graphics: ImageLib component in Firefox. Users running unpatched versions may have their data exposed.

Compliance Impact

This vulnerability could lead to non-compliance with data protection regulations like GDPR or HIPAA if it results in unauthorized access to personal or health data. Organizations must ensure patched versions are deployed to maintain compliance.

Mitigation Strategies

Update Firefox to version 156 or later, Firefox ESR to version 140.16 or later, or Firefox ESR to version 153.3 or later to address the vulnerability.

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