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CVE-2026-2967 Cesanta Mongoose TCP Sequence Number net_builtin.c getpeer verification of source

🗓️ 23 Feb 2026 02:32:07Reported by VulDBType 
cvelist
 cvelist
🔗 www.cve.org👁 21 Views

CVE-2026-2967 in Cesanta Mongoose up to 7.20 enables remote TCP getpeer source verification flaw.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-2967
23 Feb 202602:32
attackerkb
CNNVD
Cesanta Mongoose 安全漏洞
23 Feb 202600:00
cnnvd
CVE
CVE-2026-2967
23 Feb 202602:32
cve
Debian CVE
CVE-2026-2967
23 Feb 202602:32
debiancve
NVD
CVE-2026-2967
23 Feb 202604:16
nvd
OSV
DEBIAN-CVE-2026-2967
23 Feb 202604:16
osv
OSV
JLSEC-2026-367 A security vulnerability has been detected in Cesanta Mongoose up to 7.20. This affects the...
30 Apr 202619:30
osv
OSV
UBUNTU-CVE-2026-2967
23 Feb 202604:16
osv
Positive Technologies
PT-2026-21494
23 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2026-2967
23 Feb 202607:58
redhatcve
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"
      }
    ],
    "cpes": [
      "cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:*"
    ],
    "modules": [
      "TCP Sequence Number Handler"
    ]
  }
]

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23 Feb 2026 02:32Current
CVSS 22.6
CVSS 3.13.7
CVSS 33.7
CVSS 46.3
EPSS0.00491
21