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  4. CVE 2026 102714 icmpv6 option validation accepts a trailing byte
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Back to active CVEs
High · CVSS 7.1CVE-2026-102714

ICMPv6 option validation accepts a trailing byte residue, sending the Router Advertisement, Neighbor Solicitation, Neighbor Advertisement and Redirect option walkers past the packet or into a permanent loopCVE-2026-102714

Answer in brief

CVE-2026-102714 records a High severity (CVSS 7.1) vulnerability in ICMPv6 option validation accepts a trailing byte residue, sending the Router Advertisement, Neighbor Solicitation, Neighbor Advertisement and Redirect option walkers past the packet or into a permanent loop. 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>=0 <=6.5.2.202603Not 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 up to and including 6.5.2.202603, built with IPv6, the ICMPv6 option validator accepts an option area that ends in a one- or two-byte residue, and the Router Advertisement, Neighbor Solicitation, Neighbor Advertisement and Redirect handlers then walk it without length checks. A host on the local link can send one such message to make the IP thread read past the packet or loop forever, and can place off-packet memory in the neighbor cache.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • ZBar through 0.23.95 Out-of-Bounds Read via _zbar_sq_decode() in sqcode.cAlso CWE-125
  • sngrep through 1.9.0 Infinite Loop DoS via Crafted NFLOG TLVAlso CWE-835

Record context

Vulnerability class
Buffer Overflow
EPSS
Not reported
CWE IDs
CWE-125, CWE-191, CWE-835, CWE-1287
Source
CVE List V5
Source checked
Nov 4, 2026
References
1 linked source
Open source record