CVE-2025-55078

In Eclipse ThreadX before version 6.4.3, an attacker can cause a denial of service (crash) by providing a pointer to a reserved or unmapped memory region. Vulnerable system calls had a check of pointers, but that check wasn't verifying whether the pointer is outside the module memory region.

CVSS 4.0

5.7CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-25)

CWE

CWE-233

Published

2025-10-14

Modified

2026-10-08

Record from

the NVD, synced 2026-10-19

Affected

• eclipse:threadx

References

• https://github.com/eclipse-threadx/threadx/security/advisories/GHSA-wcfg-5jpf-hhxq

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