Public vulnerability disclosure

CVE-2026-121508

Use After Free in µD3TN

publishedCWE-416

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

Technical severity5.9 mediumCVSS 3.1 · CNA: GitLab
Published2026-11-03Source updated 2026-11-03
Collected2026-11-031 attributed source

Fixes and workarounds

Fix

Upgrade to version 0.15.2 or above.

Source: CNA: GitLab

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
µD3TN
D3TN GmbH
≥ 0; < 0.15.2 (affected, semver)
Other versions: unknown
CNA: GitLab

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 5.9
medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HCNA: GitLab

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

For agents and automation

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