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CVE-2026-18417

🗓️ 28 Sep 2026 23:25:23Reported by zephyrType 
cve
 cve
🔗 web.nvd.nist.gov👁 11 Views

Wild pointer dereference in Zephyr BSD sockets causes a crash during TCP socket errors.

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Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-18417 Wild pointer dereference in Zephyr BSD sockets when a TCP listening socket reports an asynchronous error
28 Sep 202623:25
–cvelist
euvd
EUVD
EUVD-2026-88573
28 Sep 202623:25
–euvd
nvd
NVD
CVE-2026-18417
29 Sep 202600:17
–nvd
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "include/zephyr/net/net_context.h",
      "subsys/net/lib/sockets/sockets_inet.c",
      "subsys/net/lib/sockets/sockets_internal.h"
    ],
    "programRoutines": [
      {
        "name": "close_tcp_conn"
      },
      {
        "name": "zsock_accepted_cb"
      }
    ],
    "versions": [
      {
        "version": "4.3.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.4.2"
      }
    ]
  }
]

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29 Sep 2026 00:17Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
11