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CVE-2026-8718 Out-of-bounds write in DTLS peer Connection ID getsockopt (`TLS_DTLS_PEER_CID_VALUE`) in Zephyr net sockets/TLS

🗓️ 10 Aug 2026 22:40:26Reported by zephyrType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

Zephyr RTOS DTLS CID getsockopt buffer overflow in kernel heap via undersized optval.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-8718
10 Aug 202622:40
attackerkb
cve
CVE
CVE-2026-8718
10 Aug 202622:40
cve
euvd
EUVD
EUVD-2026-55853
10 Aug 202622:40
euvd
nvd
NVD
CVE-2026-8718
10 Aug 202623:16
nvd
[
  {
    "vendor": "zephyrproject",
    "product": "zephyr",
    "collectionURL": "https://github.com/zephyrproject-rtos/zephyr",
    "packageName": "zephyr",
    "defaultStatus": "unaffected",
    "programFiles": [
      "subsys/net/lib/sockets/sockets_tls.c"
    ],
    "versions": [
      {
        "version": "3.5.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "4.4.1"
      }
    ]
  }
]

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