CVE-2026-121507
Double Free in µD3TN
Double Free in µD3TN BPv6 Fragmenter Block Duplication allows Unauthenticated Remote Attacker to Cause DoS on Allocation Failure
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Double Free in µD3TN
Double Free in µD3TN BPv6 Fragmenter Block Duplication allows Unauthenticated Remote Attacker to Cause DoS on Allocation Failure
- Record
CVE-2026-121507- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-415
- Updated
- 2026-11-03
EUVDEUVD-2026-115828
Double Free in µD3TN BPv6 Fragmenter Block Duplication allows Unauthenticated Remote Attacker to Cause DoS on Allocation Failure
- Record
EUVD-2026-115828- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-69rx-hm2w-fmjq
Double Free in µD3TN BPv6 Fragmenter Block Duplication allows Unauthenticated Remote Attacker to...
Double Free in µD3TN BPv6 Fragmenter Block Duplication allows Unauthenticated Remote Attacker to Cause DoS on Allocation Failure
- Record
GHSA-69rx-hm2w-fmjq- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-415
- Updated
- 2026-11-03
NVD
Double Free in µD3TN BPv6 Fragmenter Block Duplication allows Unauthenticated Remote Attacker to Cause DoS on Allocation Failure
- Record
CVE-2026-121507- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-415
- Updated
- 2026-11-03
OSV
Double Free in µD3TN
Double Free in µD3TN BPv6 Fragmenter Block Duplication allows Unauthenticated Remote Attacker to Cause DoS on Allocation Failure
- Record
CVE-2026-121507- CVSS 3.1
- 5.9 Medium
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-415
- Updated
- 2026-11-05
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| references | OSV | |
| published | EUVD, NVD | |
| published | EUVD | |
| facts | CVE List, EUVD | |
| aliases, cwes, references, severity, title | CVE List, GitHub Advisories | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-121507 is a medium vulnerability (CVSS 5.9) in D3tn Gmbh Μd3tn, published November 3, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 31st percentile. No source names a fixed version.