What is CVE-2025-55079?

CVE-2025-55079 is a medium-severity vulnerability in Eclipse Threadx, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2025-10-15.

How severe is CVE-2025-55079?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Resource exhaustion in Eclipse Threadx

CVE-2025-55079

In Eclipse ThreadX before version 6.4.3, the thread module has a setting of maximum priority. In some cases the check of that maximum priority wasn't performed, allowing, as a result, to obtain a thread with higher priority than expected and causing a possible denial of service.

Published 2025-10-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (6.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 6th percentile — 6.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Eclipse Threadx
Eclipse Foundation Threadx — versions 0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

github.com/eclipse-threadx/threadx/security/advisories/GHSA-w8rw-fqgj-9r49 (Exploit, vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2025-55079?: CVE-2025-55079 is a medium-severity vulnerability in Eclipse Threadx, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2025-10-15.
How severe is CVE-2025-55079?: Medium severity. CVSS v3 base score is 5.5 out of 10.