In Eclipse ThreadX NetX Duo versions 6.4.5.202504 through 6.5.2.202603a, built with IPv6 path MTU discovery, the ICMPv6 Packet Too Big handler uses the destination-table entry it adds without checking that the add succeeded. A sender on the network can fill the destination table with Packet Too Big messages quoting new destinations, after which the next message makes the IP helper thread dereference a NULL pointer, crashing it on targets that fault on address 0 and stopping all network processing.
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Fixes
Solution
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References
History
Mon, 02 Nov 2026 16:30:00 +0000
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Eclipse
Eclipse threadx |
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Eclipse
Eclipse threadx |
Mon, 02 Nov 2026 15:30:00 +0000
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| Description | In Eclipse ThreadX NetX Duo versions 6.4.5.202504 through 6.5.2.202603a, built with IPv6 path MTU discovery, the ICMPv6 Packet Too Big handler uses the destination-table entry it adds without checking that the add succeeded. A sender on the network can fill the destination table with Packet Too Big messages quoting new destinations, after which the next message makes the IP helper thread dereference a NULL pointer, crashing it on targets that fault on address 0 and stopping all network processing. | |
| Title | NULL pointer dereference in ICMPv6 Packet Too Big processing when the destination table is full | |
| Weaknesses | CWE-252 CWE-476 |
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| References |
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| Metrics |
cvssV4_0
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Projects
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Status: PUBLISHED
Assigner: eclipse
Published:
Updated: 2026-11-02T16:18:51.305Z
Reserved: 2026-10-21T12:07:19.133Z
Link: CVE-2026-114408
No data.
Status : Received
Published: 2026-11-02T16:17:27.733
Modified: 2026-11-02T16:17:27.733
Link: CVE-2026-114408
No data.
OpenCVE Enrichment
Updated: 2026-11-02T16:30:18Z