CVE-2026-100756
Received Received - Intake

Incorrect Boundary Conditions in Firefox Audio/Video Playback

Publication date: 2026-09-29

Last updated on: 2026-09-29

Assigner: Mozilla Corporation

Description
Incorrect boundary conditions in the Audio/Video: Playback component. This vulnerability was fixed in Firefox ESR 153.4, Firefox 157, Firefox ESR 115.42, and Firefox ESR 140.17.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-29
Last Modified
2026-09-29
Generated
2026-09-29
AI Q&A
2026-09-29
EPSS Evaluated
N/A
NVD
CVE-2026-100756
EUVD
EUVD-2026-88908

Affected Vendors & Products

Showing 4 associated CPEs
Vendor Product Version / Range
mozilla firefox 153.4
mozilla firefox 157
mozilla firefox 115.42
mozilla firefox 140.17

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

CVE-2026-100756 is a security flaw in Firefox's Audio/Video: Playback component caused by incorrect boundary conditions. This means the software fails to properly validate or handle data boundaries during audio/video playback, potentially leading to memory corruption or other security issues.

Impact Analysis

This vulnerability could allow attackers to execute arbitrary code, crash the application, or gain unauthorized access to sensitive data by exploiting the boundary condition flaws in Firefox's audio/video playback functionality.

Compliance Impact

The provided CVE data does not specify how this vulnerability affects compliance with standards like GDPR or HIPAA. The vulnerability involves incorrect boundary conditions in Firefox's Audio/Video Playback component, but no direct impact on regulatory compliance is mentioned.

Mitigation Strategies

Update Firefox ESR to version 153.4 or later, Firefox to version 157 or later, Firefox ESR 115 to version 42 or later, and Firefox ESR 140 to version 17 or later to address the incorrect boundary conditions in the Audio/Video: Playback component.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-100756. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart