CVE-2026-117915
Received Received - Intake

Incorrect Boundary Handling in Firefox Layout Components

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Mozilla Corporation

Description
Incorrect boundary conditions in the Layout: Block and Inline component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.

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Meta Information

Published
2026-10-27
Last Modified
2026-10-27
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
CVE-2026-117915
EUVD
EUVD-2026-110946

Affected Vendors & Products

Currently, no data is known.

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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 involves incorrect boundary conditions in the Layout: Block and Inline components of Firefox. It was addressed in Firefox 159 and specific Firefox ESR versions (115.44 and 153.6).

Impact Analysis

The vulnerability could allow attackers to manipulate layout rendering, potentially leading to memory corruption, crashes, or unexpected behavior in affected Firefox versions.

Mitigation Strategies

Update Firefox to version 159 or later, Firefox ESR to version 115.44 or later, or Firefox ESR to version 153.6 or later to address the incorrect boundary conditions in Layout: Block and Inline components.

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