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EUVD-2026-55853

🗓️ 10 Aug 2026 22:40:26Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

tls_opt_dtls_peer_connection_id_value_get() in subsys/net/lib/sockets/sockets_tls.c, which handles getsockopt(SOL_TLS, TLS_DTLS_PEER_CID_VALUE), passed the caller-supplied optval directly to mbedtls_ssl_get_peer_cid() without verifying the buffer ...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-8718
10 Aug 202622:40
attackerkb
circl
Circl
CVE-2026-8718
11 Aug 202600:00
circl
cve
CVE
CVE-2026-8718
10 Aug 202622:40
cve
cvelist
Cvelist
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 202622:40
cvelist
nvd
NVD
CVE-2026-8718
10 Aug 202623:16
nvd
[
  {
    "enisaIdVendor": [
      {
        "id": "597ee64f-b560-39d3-aed2-c966e0c5b7c7",
        "vendor": {
          "name": "zephyrproject"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "c4fb0589-8daf-3a50-8a35-461529ac2b69",
        "product": {
          "name": "Zephyr",
          "vendor": {
            "name": "zephyrproject-rtos"
          }
        },
        "product_version": "3.5.0 <4.4.1"
      }
    ]
  }
]

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10 Aug 2026 22:40Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.18.4
4