CVE-2026-121508: Use After Free in µD3TN

Published Nov 3, 2026

Updated

Use-After-Free in µD3TN BPv6 Fragmenter Cleanup allows Unauthenticated Remote Attacker to Cause DoS on Allocation Failure

Event History

Nov 3, 2026

CVE Published

via MITRE·02:17 PM

Data Sourced

via MITRE·02:17 PM

RemedyDescriptionSeverityWeakness

Data Sourced

via OSV·02:17 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·03:17 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What must an attacker do to trigger the denial of service?

The attacker must remotely trigger an allocation failure in the µD3TN BPv6 fragmenter cleanup path. No authentication or user interaction is required, but the attack complexity is rated high.

What is the expected security impact?

The documented impact is denial of service through a use-after-free condition. No confidentiality or integrity impact is listed.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.