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CVE-2026-18746

🗓️ 28 Sep 2026 23:25:24Reported by zephyrType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

NULL pointer dereference in Zephyr LwM2M client when CoAP Block1 pool is exhausted.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-18746 NULL pointer dereference in Zephyr LwM2M client when the CoAP Block1 context pool is exhausted
28 Sep 202623:25
–cvelist
euvd
EUVD
EUVD-2026-88574
28 Sep 202623:25
–euvd
nvd
NVD
CVE-2026-18746
29 Sep 202600:17
–nvd
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "subsys/net/lib/lwm2m/lwm2m_message_handling.c"
    ],
    "programRoutines": [
      {
        "name": "parse_write_op"
      }
    ],
    "versions": [
      {
        "version": "3.7.0",
        "status": "affected",
        "lessThan": "4.5.0",
        "versionType": "semver"
      }
    ]
  }
]

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29 Sep 2026 00:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.9
6