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CVE-2026-6985 Cesanta Mongoose TCP Option net_builtin.c handle_opt infinite loop

🗓️ 25 Apr 2026 16:15:13Reported by VulDBType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

CVE-2026-6985: Cesanta Mongoose TCP option handle_opt can loop via optlen; fixed in 7.21.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6985
25 Apr 202616:15
attackerkb
CNNVD
Cesanta Mongoose 安全漏洞
25 Apr 202600:00
cnnvd
CVE
CVE-2026-6985
25 Apr 202616:15
cve
Debian CVE
CVE-2026-6985
25 Apr 202616:15
debiancve
EUVD
EUVD-2026-25661
25 Apr 202616:15
euvd
NVD
CVE-2026-6985
25 Apr 202617:16
nvd
OSV
DEBIAN-CVE-2026-6985
25 Apr 202617:16
osv
OSV
JLSEC-2026-372
30 Apr 202619:30
osv
OSV
UBUNTU-CVE-2026-6985
15 Jun 202600:00
osv
Positive Technologies
PT-2026-35156
25 Apr 202600:00
ptsecurity
Rows per page
[
  {
    "vendor": "Cesanta",
    "product": "Mongoose",
    "versions": [
      {
        "version": "7.0",
        "status": "affected"
      },
      {
        "version": "7.1",
        "status": "affected"
      },
      {
        "version": "7.2",
        "status": "affected"
      },
      {
        "version": "7.3",
        "status": "affected"
      },
      {
        "version": "7.4",
        "status": "affected"
      },
      {
        "version": "7.5",
        "status": "affected"
      },
      {
        "version": "7.6",
        "status": "affected"
      },
      {
        "version": "7.7",
        "status": "affected"
      },
      {
        "version": "7.8",
        "status": "affected"
      },
      {
        "version": "7.9",
        "status": "affected"
      },
      {
        "version": "7.10",
        "status": "affected"
      },
      {
        "version": "7.11",
        "status": "affected"
      },
      {
        "version": "7.12",
        "status": "affected"
      },
      {
        "version": "7.13",
        "status": "affected"
      },
      {
        "version": "7.14",
        "status": "affected"
      },
      {
        "version": "7.15",
        "status": "affected"
      },
      {
        "version": "7.16",
        "status": "affected"
      },
      {
        "version": "7.17",
        "status": "affected"
      },
      {
        "version": "7.18",
        "status": "affected"
      },
      {
        "version": "7.19",
        "status": "affected"
      },
      {
        "version": "7.20",
        "status": "affected"
      },
      {
        "version": "7.21",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*"
    ],
    "modules": [
      "TCP Option Handler"
    ]
  }
]

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25 Apr 2026 16:15Current
CVSS 25
CVSS 3.15.3
CVSS 35.3
CVSS 46.9
EPSS0.00565
33