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CVE-2025-26466

🗓️ 28 Feb 2025 21:25:28Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 14 Media mentions👁 1228 Views🌐 WEB

Flaw in OpenSSH allows denial of service through uncontrolled memory consumption via ping packets.

Related
Detection
Affected
Refs
Paths
Social
NVD
Vulners
Vulnrichment
Node
OR
openbsdopensshMatch9.5p1
openbsdopensshMatch9.6p1
openbsdopensshMatch9.7p1
openbsdopensshMatch9.8p1
openbsdopensshMatch9.9p1
Node
[
  {
    "repo": "https://anongit.mindrot.org/openssh.git",
    "versions": [
      {
        "status": "affected",
        "version": "9.5p1",
        "versionType": "custom",
        "lessThanOrEqual": "9.9p1"
      }
    ],
    "packageName": "OpenSSH",
    "collectionURL": "https://www.openssh.com/",
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openssh",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:9.9p1-7.el10_0",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10.0"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openssh",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:8.7p1-45.el9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream",
      "cpe:/o:redhat:enterprise_linux:9::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openssh",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:8.7p1-45.el9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9::appstream",
      "cpe:/o:redhat:enterprise_linux:9::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openssh",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openssh",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openssh",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-8",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "openshift/ose-rhel-coreos-9",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]
ParameterPositionPathDescriptionCWE
type 192request bodySSH2_MSG_PINGA pre-authentication denial-of-service attack where repeated SSH2_MSG_PING packets cause uncontrolled memory consumption and CPU exhaustion during the initial key exchange.CWE-770
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21 Oct 2026 17:17Current
7.1High risk
Vulners AI Score7.1
CVSS 3.15.9
EPSS0.4065
SSVC
1228