CVE-2026-74948
Undergoing Analysis Undergoing Analysis - In Progress

Information Disclosure in Firefox Graphics Component

Publication date: 2026-08-18

Last updated on: 2026-08-18

Assigner: Mozilla Corporation

Description
Information disclosure in the Graphics component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1.

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Meta Information

Published
2026-08-18
Last Modified
2026-08-18
Generated
2026-08-18
AI Q&A
2026-08-18
EPSS Evaluated
N/A
NVD
CVE-2026-74948
EUVD
EUVD-2026-60754

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
mozilla firefox to 154 (inc)
mozilla firefox_esr to 115.39 (inc)
mozilla firefox_esr to 140.14 (inc)
mozilla firefox_esr to 153.1 (inc)

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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 component. It allows unauthorized access to sensitive data through the graphics rendering process. The issue was patched in Firefox 154 and multiple Firefox ESR versions.

Detection Guidance

This vulnerability is fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, and Firefox ESR 153.1. Check your Firefox version with 'firefox --version' or 'about:support' in Firefox. If your version is below these, the system is vulnerable.

Impact Analysis

Attackers could exploit this to steal sensitive information displayed or processed by the browser's graphics system, such as images, text, or other rendered content. Users of affected Firefox versions may have their data exposed.

Compliance Impact

This vulnerability could lead to unauthorized data exposure, potentially violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations must ensure patched versions are deployed to maintain compliance.

Mitigation Strategies

Update Firefox to version 154 or later, Firefox ESR 115.39 or later, Firefox ESR 140.14 or later, or Firefox ESR 153.1 or later. Disable automatic updates temporarily if needed, but prioritize updating to the patched versions.

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