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Fencer Intel
high 7.5

CVE-2026-121513 json

Out-of-bounds Write in µD3TN

published 6d ago modified 6d ago also EUVD-2026-115833

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

Off-by-one Heap Overflow in µD3TN v0.15.1 SPP Parser allows Unauthenticated Remote Attacker to Reliably Cause DoS

Patch / fix

  • D3TN GmbH µD3TN 0.15.2

Is CVE-2026-121513 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
6d ago

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

  • D3TN GmbH µD3TN

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.