CVE-2026-117957
Received Received - Intake

Heap Overflow in Firefox WebRTC Networking

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Mozilla Corporation

Description
Cryptographic issue in the WebRTC: Networking component. This vulnerability was fixed in Firefox 159 and Firefox ESR 153.6.

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-117957
EUVD
EUVD-2026-110988

Affected Vendors & Products

Currently, no data is known.

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

This is a cryptographic issue in the WebRTC Networking component of Firefox. It was addressed in Firefox version 159 and Firefox ESR version 153.6.

Impact Analysis

The vulnerability could potentially allow attackers to intercept or manipulate network communications, leading to data breaches or unauthorized access to sensitive information.

Mitigation Strategies

Update Firefox to version 159 or later and Firefox ESR to version 153.6 or later to address the cryptographic issue in the WebRTC: Networking component.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-117957. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart