CVE-2026-121507: Double Free in µD3TN

Published Nov 3, 2026

Updated

Double Free in µD3TN BPv6 Fragmenter Block Duplication allows Unauthenticated Remote Attacker to Cause DoS on Allocation Failure

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade µD3TN to a version that resolves this vulnerability.
Fixed in 0.15.2

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 access does an attacker need?

The attack vector is network-based and requires no authentication or user interaction. Exploitation has high attack complexity.

What is the expected impact if exploitation succeeds?

The documented impact is denial of service through an availability impact rated High. No confidentiality or integrity impact is indicated.

What condition is associated with exploitation?

The issue is associated with allocation failure during BPv6 fragmenter block duplication. The available information does not specify configuration prerequisites, affected versions, or a workaround.

CVE-2026-121507: Double Free in µD3TN

Remediation

Event History

Frequently Asked Questions

What access does an attacker need?

What is the expected impact if exploitation succeeds?

What condition is associated with exploitation?

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Frequently Asked Questions

What access does an attacker need?

What is the expected impact if exploitation succeeds?

What condition is associated with exploitation?