# 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…

Source: https://junglewise.ai/threats/cve-2025-55078-in-eclipse-threadx-before-version-6-4-3-an-attacker-can-cause-a  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-10-14  
License: CC BY 4.0 with a link back

CVE-2025-55078 · Severity: medium · CVSS 5.5 · Published 2025-10-14

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.

Technologies: [Eclipse ThreadX](https://junglewise.ai/threats/technologies/threadx). Vendors: [Eclipse](https://junglewise.ai/threats/vendors/eclipse).

## Quick answers

**Is CVE-2025-55078 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-55078 being exploited in the wild.

**How severe is CVE-2025-55078?** Medium severity, with a CVSS score of 5.5, published 14 October 2025.

**Which products and versions are affected?** Eclipse ThreadX. The advisory does not name versions.

**Is there a fix for CVE-2025-55078?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-55078?** Check whether you run Eclipse ThreadX. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- Eclipse ThreadX

## Related threats

- [Eclipse ThreadX Module Manager privilege escalation via forged callback](https://junglewise.ai/threats/cve-2026-115231-in-eclipse-threadx-versions-6-0-1-through-6-5-2-202603-the)
- [Eclipse ThreadX Modules use-after-free in trace-buffer callback](https://junglewise.ai/threats/cve-2026-113421-in-eclipse-threadx-versions-6-0-1-through-6-5-2-202603-threadx)
- [Eclipse ThreadX Module Manager missing authorization in thread control](https://junglewise.ai/threats/cve-2026-115654-in-eclipse-threadx-versions-6-0-1-through-6-5-2-202603-the)
- [Eclipse ThreadX Cortex-M stack pointer memory access in privileged mode](https://junglewise.ai/threats/cve-2026-115653-in-eclipse-threadx-versions-6-0-1-through-6-5-2-202603-the)
- [Eclipse ThreadX Module Manager mutex deadlock in preamble size validation](https://junglewise.ai/threats/cve-2026-118052-in-eclipse-threadx-versions-6-0-1-through-6-5-2-202603-the)