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  4. CVE 2026 118052 module manager loaders leave the manager mutex
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Back to active CVEs
Medium · CVSS 6.8CVE-2026-118052

Module Manager loaders leave the manager mutex held when a module preamble's sizes overflow, blocking every later module operationCVE-2026-118052

Answer in brief

CVE-2026-118052 records a Medium severity (CVSS 6.8) vulnerability in Module Manager loaders leave the manager mutex held when a module preamble's sizes overflow, blocking every later module operation. The current sources do not mark it as known exploited. The current feed maps Eclipse Foundation/Eclipse ThreadX (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 2, 2026Updated Nov 2, 2026Source checked Nov 2, 2026First seen by HOL Nov 2, 2026Material review Nov 2, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 6.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Eclipse Foundation/Eclipse ThreadX (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Eclipse Foundation/Eclipse ThreadXgeneric>=6.0.1 <=6.5.2.202603Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Eclipse Foundation/Eclipse ThreadX.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Nov 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 2, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referencegitlab.eclipse.org
Upstream source description

In Eclipse ThreadX versions 6.0.1 through 6.5.2.202603, the Module Manager loaders return an overflow error without releasing the Module Manager mutex when a module preamble declares a data or stack size that overflows the allocation arithmetic. Loading such an image blocks every later module load, start, stop and unload from other threads until the system is reset.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • NULL pointer dereference in ICMPv6 Packet Too Big processing when the destination table is fullSame eclipse foundation/eclipse threadx package
  • Cortex-M module ports save a preempted user-mode module thread's registers through its unchecked stack pointer in privileged modeSame eclipse foundation/eclipse threadx package
  • User-mode module can suspend, terminate, re-prioritise and abort the waits of threads it does not ownSame eclipse foundation/eclipse threadx package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-667, CWE-833
Source
CVE List V5
Source checked
Nov 2, 2026
References
2 linked sources
Open source record