CVE-2026-12318
Undergoing Analysis Undergoing Analysis - In Progress

Incorrect Boundary Conditions in NSS Libraries Fixed in Firefox 152

Publication date: 2026-06-16

Last updated on: 2026-06-16

Assigner: Mozilla Corporation

Description
Incorrect boundary conditions in the Libraries component in NSS. This vulnerability was fixed in Firefox 152 and Thunderbird 152.

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Meta Information

Published
2026-06-16
Last Modified
2026-06-16
Generated
2026-07-06
AI Q&A
2026-06-16
EPSS Evaluated
2026-07-05
NVD
CVE-2026-12318
EUVD
EUVD-2026-37109

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
mozilla firefox 152

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-119 The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

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Mitigation Strategies

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

Executive Summary

This vulnerability involves incorrect boundary conditions in the Libraries component of NSS (Network Security Services). It was addressed and fixed in Firefox version 152.

Impact Analysis

This vulnerability in the Libraries component of NSS can lead to impacts on confidentiality, integrity, and availability, as indicated by the CVSS score of 7.3 with low attack complexity and no privileges or user interaction required.

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