How severe is CVE-2025-55079?

CVE-2025-55079 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-55079 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55079?

CVE-2025-55079 affects Eclipse Threadx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55079?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-55079 have an EU (EUVD) identifier?

Yes. CVE-2025-55079 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34514.

When was CVE-2025-55079 published?

CVE-2025-55079 was published on 2025-10-15 and last updated on 2026-06-17.

CVE-2025-55079

CVE-2025-55079 is a medium-severity vulnerability in Eclipse Threadx with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 5.7
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-34514
Weakness: CWE-770
Affected product: Eclipse Threadx
Published: 2025-10-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-55079?: CVE-2025-55079 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-55079 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55079?: CVE-2025-55079 affects Eclipse Threadx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55079?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55079 have an EU (EUVD) identifier?: Yes. CVE-2025-55079 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-34514.
When was CVE-2025-55079 published?: CVE-2025-55079 was published on 2025-10-15 and last updated on 2026-06-17.

References

https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-w8rw-fqgj-9r49

Affected products (1)

cpe:2.3:a:eclipse:threadx:*:*:*:*:*:*:*:*

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