{"id":"CVE-2026-114408","published":"2026-11-02T16:17:27.733","lastModified":"2026-11-02T19:14:53.030","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.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":["CWE-252","CWE-476"],"vendors":[],"products":[],"references":[{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-xjgr-2wmf-f78j","tags":[]},{"url":"https://gitlab.eclipse.org/security/cve-assignment/-/work_items/482","tags":[]}],"exploitRefs":[{"url":"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-xjgr-2wmf-f78j","tags":[]}],"hasPoc":true,"ai":null}