Memory leak in µD3TN BPv6 EID reference handling enables denial of service
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-401.
Summary
D3TN GmbH µD3TN is affected from 0 before 0.15.2. A memory leak with amplification in the BPv6 EID reference handling (CWE-401) lets an unauthenticated remote attacker exhaust memory and cause a denial of service.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
Description from the CNA
Memory Leak with Amplification in µD3TN BPv6 EID Reference Handling allows Unauthenticated Remote Attacker to Cause DoS
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update µD3TN to version 0.15.2.
Written with Claude Haiku 5.5 from the sources below · 2026-11-03
- Fix · CNA µD3TN (D3TN GmbH) Fixed in 0.15.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
D3TN µD3TN 0.15.2
6 records Highest priority Priority LOW 6 LOW
Other records, highest priority first
- TI-2026-84267 Out-of-bounds write in µD3TN SPP parser allows remote denial of servicePriority LOW 39
- TI-2026-84264 Out-of-bounds write in µD3TN BPv6 record parser enables remote DoSPriority LOW 39
- TI-2026-84265 Out-of-bounds read in µD3TN fragmenter exposes memory and causes DoSPriority LOW 30
Timeline
- 2026-11-03 Threatist record created from CVE-2026-121512
- 2026-11-03 CISA SSVC decision points changed
- 2026-11-03 Priority changed: MEDIUM → LOW
- 2026-11-03 Alias added: GHSA-3c5c-mq57-gwpx
References
More D3TN GmbH vulnerabilities
- TI-2024-11229 Double Free in µD3TN CVSS 3.1HIGH 7.5
- TI-2026-63084 Integer Overflow or Wraparound in µD3TN CVSS 3.1HIGH 7.5
- TI-2025-07488 NULL pointer dereference in D3TN GmbH µD3TN CVSS 3.1HIGH 7.5
- TI-2026-84267 Out-of-bounds write in µD3TN SPP parser allows remote denial of service CVSS 3.1HIGH 7.5
- TI-2026-84264 Out-of-bounds write in µD3TN BPv6 record parser enables remote DoS CVSS 3.1HIGH 7.5
- TI-2024-09683 Reachable Assertion in µD3TN CVSS 3.1HIGH 7.5
Sources
- CVE-2026-121512 · CVE Program
- CVE-2026-121512 · NVD
- FIRST EPSS
- GHSA-3c5c-mq57-gwpx · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences