CVE-2026-92029
Received Received - Intake

Use-after-free in Firefox SVG Component

Publication date: 2026-09-15

Last updated on: 2026-09-15

Assigner: Mozilla Corporation

Description
Use-after-free in the SVG component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, 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-2026-92029
EUVD
EUVD-2026-78492

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
mozilla firefox 156
mozilla firefox_esr 115.41
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 a use-after-free vulnerability in the SVG component of Firefox browsers. Use-after-free occurs when a program continues to use a pointer after freeing the memory it points to, potentially leading to crashes or arbitrary code execution.

Impact Analysis

An attacker could exploit this to crash your browser or run malicious code on your system. This could lead to data theft, system compromise, or further attacks depending on your environment.

Mitigation Strategies

Update Firefox to version 156 or later, Firefox ESR to version 115.41 or later, Firefox ESR to version 140.16 or later, or Firefox ESR to version 153.3 or later to address the use-after-free vulnerability in the SVG component.

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