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  4. CVE 2026 102726 unbounded ppp ipcp option parsing causes a worker
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Back to active CVEs
High · CVSS 7.1CVE-2026-102726

Unbounded PPP IPCP Option Parsing Causes a Worker Stall and Out-of-bounds ReadCVE-2026-102726

Answer in brief

CVE-2026-102726 records a High severity (CVSS 7.1) vulnerability in Unbounded PPP IPCP Option Parsing Causes a Worker Stall and Out-of-bounds Read. The current sources do not mark it as known exploited. The current feed maps Eclipse Foundation/Eclipse ThreadX NetX Duo (generic), Eclipse Foundation/NetX Duo (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 Sep 29, 2026Updated Nov 4, 2026Source checked Nov 4, 2026First seen by HOL Sep 29, 2026Material review Nov 4, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 7.1. 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 NetX Duo (generic), Eclipse Foundation/NetX Duo (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Eclipse Foundation/Eclipse ThreadX NetX Duogeneric>=6.0 <=6.5.2.202603aNot reported
Eclipse Foundation/NetX Duogeneric>=0 <=6.5.1.202602Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Eclipse Foundation/Eclipse ThreadX NetX Duo, Eclipse Foundation/NetX Duo.
  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

    Sep 29, 2026

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

  2. Source modified

    Nov 4, 2026

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

  3. First seen by HOL

    Sep 29, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
Upstream source description

In Eclipse ThreadX NetX Duo versions 6.0 through 6.5.2.202603a, the PPP IPCP code parses a peer's Configure-Nak without validating each option's length. A malicious PPP peer can stall the PPP thread indefinitely with a zero-length option, taking the link down, and can read back up to four bytes of packet-buffer memory per exchange with a short address option.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-125, CWE-835
Source
CVE List V5
Source checked
Nov 4, 2026
References
1 linked source
Open source record