---
title: "CVE-2026-106464: Generic TLS Implementation - Out of Bounds Read"
description: "Affected software contains a buffer parsing vulnerability caused by improper length validation in _nx_secure_x509_parse_signature_data, letting remote attackers cause out-of-bounds read during TLS handshake, exploit requires crafted certificate input."
url: https://panop.io/threat-heartbeat/CVE-2026-106464/
---

# CVE-2026-106464 Generic TLS Implementation - Out of Bounds Read

Affected software contains a buffer parsing vulnerability caused by improper length validation in \_nx\_secure\_x509\_parse\_signature\_data, letting remote attackers cause out-of-bounds read during TLS handshake, exploit requires crafted certificate input.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-106464)

## Details

Type

Out of Bounds Read

Impact

Denial Of Service

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

14 October 2026

Updated

15 October 2026

Weakness

[CWE-125](https://cwe.mitre.org/data/definitions/125.html)

## Vendor fix

Update to the latest version with proper ASN.1 signature length validation.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-106464](https://nvd.nist.gov/vuln/detail/CVE-2026-106464)
- [https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-ww3q-3444-q488](https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-ww3q-3444-q488)
- [https://gitlab.eclipse.org/security/cve-assignment/-/work\_items/368](https://gitlab.eclipse.org/security/cve-assignment/-/work_items/368)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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