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CVE-2026-88840

🗓️ 23 Sep 2026 17:45:34Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

BusyBox TLS get_client_hello() buffer over-read via truncated ClientHello message.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-88840 Busybox: busybox: tls ssl_server reads one byte out of bounds when parsing truncated clienthello
23 Sep 202617:45
cvelist
euvd
EUVD
EUVD-2026-85513
23 Sep 202617:45
euvd
nvd
NVD
CVE-2026-88840
23 Sep 202618:17
nvd
redhatcve
RedhatCVE
CVE-2026-88840
23 Sep 202617:45
redhatcve
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "busybox",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  }
]

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23 Sep 2026 19:40Current
6Medium risk
Vulners AI Score6
CVSS 3.15.3
8