CVE-2026-12300
Received Received - Intake
Memory Corruption Bug Fixed in Firefox 152

Publication date: 2026-06-16

Last updated on: 2026-06-16

Assigner: Mozilla Corporation

Description
Memory safety bug fixed in Firefox 152. This vulnerability was fixed in Firefox 152.
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Meta Information
Published
2026-06-16
Last Modified
2026-06-16
Generated
2026-06-16
AI Q&A
2026-06-16
EPSS Evaluated
N/A
NVD
CVE-2026-12300
EUVD
EUVD-2026-37091
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox 152
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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 vulnerability is a memory safety bug that was present in Firefox before version 152. It relates to improper handling of memory which could potentially lead to unexpected behavior or security issues. The bug was fixed in Firefox 152.

Impact Analysis

Memory safety bugs can lead to various security risks such as crashes, data corruption, or exploitation by attackers to execute arbitrary code. If unpatched, this vulnerability could potentially allow attackers to compromise the security of Firefox users.

Mitigation Strategies

The vulnerability is fixed in Firefox 152. To mitigate this vulnerability, you should update your Firefox browser to version 152 or later.

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