CVE-2026-10817 (GCVE-0-2026-10817)

Vulnerability from cvelistv5 – Published: 2026-06-30 12:58 – Updated: 2026-06-30 13:28
VLAI
Title
Insufficient input validation leading to memory overread
Summary
Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-30 13:28 UTC
CWE
Assigner
NetScaler CNA under the mitre root
CNA scorecard C 63/100 over 18 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
NetScaler ADC Affected: 14.1 , < 72.61 (patch)
Affected: 13.1 , < 63.18 (patch)
Affected: 14.1 FIPS , < 72.61 (patch)
Affected: 13.1 FIPS and NDcPP , < 37.272 (patch)
guessed Create a notification for this product.
NetScaler Gateway Affected: 14.1 , < 72.61 (patch)
Affected: 13.1 , < 63.18 (patch)
guessed Create a notification for this product.
Date Public
2026-06-30 12:52
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-10817",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-30T13:28:08.900923Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-06-30T13:28:19.305Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ADC",
          "vendor": "NetScaler",
          "versions": [
            {
              "lessThan": "72.61",
              "status": "affected",
              "version": "14.1",
              "versionType": "patch"
            },
            {
              "lessThan": "63.18",
              "status": "affected",
              "version": "13.1",
              "versionType": "patch"
            },
            {
              "lessThan": "72.61",
              "status": "affected",
              "version": "14.1 FIPS",
              "versionType": "patch"
            },
            {
              "lessThan": "37.272",
              "status": "affected",
              "version": "13.1 FIPS and NDcPP",
              "versionType": "patch"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Gateway",
          "vendor": "NetScaler",
          "versions": [
            {
              "lessThan": "72.61",
              "status": "affected",
              "version": "14.1",
              "versionType": "patch"
            },
            {
              "lessThan": "63.18",
              "status": "affected",
              "version": "13.1",
              "versionType": "patch"
            }
          ]
        }
      ],
      "datePublic": "2026-06-30T12:52:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan\u003eInsufficient input validation leading to memory overread in\u0026nbsp;\u003c/span\u003e\u003cspan\u003eNetScaler ADC and NetScaler Gateway if the\u0026nbsp;\u003c/span\u003e\u003cspan\u003eTCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "value": "Insufficient input validation leading to memory overread in\u00a0NetScaler ADC and NetScaler Gateway if the\u00a0TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler"
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 6.9,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125 Out-of-bounds read",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-30T12:58:38.850Z",
        "orgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "shortName": "NetScaler"
      },
      "references": [
        {
          "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Insufficient input validation leading to memory overread",
      "x_generator": {
        "engine": "Vulnogram 1.0.2"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
    "assignerShortName": "NetScaler",
    "cveId": "CVE-2026-10817",
    "datePublished": "2026-06-30T12:58:38.850Z",
    "dateReserved": "2026-06-04T05:49:25.173Z",
    "dateUpdated": "2026-06-30T13:28:19.305Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-10817",
      "date": "2026-10-28",
      "epss": "0.0056",
      "percentile": "0.46508"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "ADC",
                "vendor": "NetScaler",
                "versions": [
                  {
                    "lessThan": "72.61",
                    "status": "affected",
                    "version": "14.1",
                    "versionType": "patch"
                  },
                  {
                    "lessThan": "63.18",
                    "status": "affected",
                    "version": "13.1",
                    "versionType": "patch"
                  },
                  {
                    "lessThan": "72.61",
                    "status": "affected",
                    "version": "14.1 FIPS",
                    "versionType": "patch"
                  },
                  {
                    "lessThan": "37.272",
                    "status": "affected",
                    "version": "13.1 FIPS and NDcPP",
                    "versionType": "patch"
                  }
                ]
              },
              {
                "defaultStatus": "unaffected",
                "product": "Gateway",
                "vendor": "NetScaler",
                "versions": [
                  {
                    "lessThan": "72.61",
                    "status": "affected",
                    "version": "14.1",
                    "versionType": "patch"
                  },
                  {
                    "lessThan": "63.18",
                    "status": "affected",
                    "version": "13.1",
                    "versionType": "patch"
                  }
                ]
              }
            ],
            "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
                    "matchCriteriaId": "D8189708-5190-45E3-BF9A-7A429E87DFE7",
                    "versionEndExcluding": "13.1-37.272",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*",
                    "matchCriteriaId": "D93A5760-5C50-4786-B981-24A7B35C3055",
                    "versionEndExcluding": "13.1-37.272",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                    "matchCriteriaId": "BC139A27-D7CE-4D92-9A1F-09713C4C9546",
                    "versionEndExcluding": "13.1-63.18",
                    "versionStartIncluding": "13.1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
                    "matchCriteriaId": "0108075C-1047-449C-A707-F2532770C2AD",
                    "versionEndExcluding": "14.1-72.61",
                    "versionStartIncluding": "14.1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:14.1-66.68:*:*:*:fips:*:*:*",
                    "matchCriteriaId": "A2BC089B-97D0-4FDB-A336-74409DCDC5E3",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "962D2276-7285-41E2-A867-D464AE11677F",
                    "versionEndExcluding": "13.1-63.18",
                    "versionStartIncluding": "13.1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "1591FBCE-57DD-416F-A858-E898B0946AB6",
                    "versionEndExcluding": "14.1-72.61",
                    "versionStartIncluding": "14.1",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Insufficient input validation leading to memory overread in\u00a0NetScaler ADC and NetScaler Gateway if the\u00a0TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler"
          }
        ],
        "id": "CVE-2026-10817",
        "lastModified": "2026-07-02T16:57:03.933",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 7.5,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 3.6,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "cvssMetricV40": [
            {
              "cvssData": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "availabilityRequirement": "NOT_DEFINED",
                "baseScore": 6.9,
                "baseSeverity": "MEDIUM",
                "confidentialityRequirement": "NOT_DEFINED",
                "exploitMaturity": "NOT_DEFINED",
                "integrityRequirement": "NOT_DEFINED",
                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
                "modifiedSubConfidentialityImpact": "NOT_DEFINED",
                "modifiedSubIntegrityImpact": "NOT_DEFINED",
                "modifiedUserInteraction": "NOT_DEFINED",
                "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
                "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
                "modifiedVulnIntegrityImpact": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
                "version": "4.0",
                "vulnAvailabilityImpact": "NONE",
                "vulnConfidentialityImpact": "LOW",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
              "type": "Secondary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2026-10817",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "yes"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-06-30T13:28:08.900923Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2026-06-30T13:17:04.363",
        "references": [
          {
            "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604"
          }
        ],
        "sourceIdentifier": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-125"
              }
            ],
            "source": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
            "type": "Secondary"
          }
        ]
      }
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2026-10817",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "yes"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-06-30T13:28:08.900923Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-06-30T13:28:11.612Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "ADC",
              "vendor": "NetScaler",
              "versions": [
                {
                  "lessThan": "72.61",
                  "status": "affected",
                  "version": "14.1",
                  "versionType": "patch"
                },
                {
                  "lessThan": "63.18",
                  "status": "affected",
                  "version": "13.1",
                  "versionType": "patch"
                },
                {
                  "lessThan": "72.61",
                  "status": "affected",
                  "version": "14.1 FIPS",
                  "versionType": "patch"
                },
                {
                  "lessThan": "37.272",
                  "status": "affected",
                  "version": "13.1 FIPS and NDcPP",
                  "versionType": "patch"
                }
              ]
            },
            {
              "defaultStatus": "unaffected",
              "product": "Gateway",
              "vendor": "NetScaler",
              "versions": [
                {
                  "lessThan": "72.61",
                  "status": "affected",
                  "version": "14.1",
                  "versionType": "patch"
                },
                {
                  "lessThan": "63.18",
                  "status": "affected",
                  "version": "13.1",
                  "versionType": "patch"
                }
              ]
            }
          ],
          "datePublic": "2026-06-30T12:52:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "supportingMedia": [
                {
                  "base64": false,
                  "type": "text/html",
                  "value": "\u003cspan\u003eInsufficient input validation leading to memory overread in\u0026nbsp;\u003c/span\u003e\u003cspan\u003eNetScaler ADC and NetScaler Gateway if the\u0026nbsp;\u003c/span\u003e\u003cspan\u003eTCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler\u003c/span\u003e\u003cbr\u003e"
                }
              ],
              "value": "Insufficient input validation leading to memory overread in\u00a0NetScaler ADC and NetScaler Gateway if the\u00a0TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler"
            }
          ],
          "metrics": [
            {
              "cvssV4_0": {
                "Automatable": "NOT_DEFINED",
                "Recovery": "NOT_DEFINED",
                "Safety": "NOT_DEFINED",
                "attackComplexity": "LOW",
                "attackRequirements": "NONE",
                "attackVector": "NETWORK",
                "baseScore": 6.9,
                "baseSeverity": "MEDIUM",
                "exploitMaturity": "NOT_DEFINED",
                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
                "subAvailabilityImpact": "NONE",
                "subConfidentialityImpact": "NONE",
                "subIntegrityImpact": "NONE",
                "userInteraction": "NONE",
                "valueDensity": "NOT_DEFINED",
                "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
                "version": "4.0",
                "vulnAvailabilityImpact": "NONE",
                "vulnConfidentialityImpact": "LOW",
                "vulnIntegrityImpact": "NONE",
                "vulnerabilityResponseEffort": "NOT_DEFINED"
              },
              "format": "CVSS",
              "scenarios": [
                {
                  "lang": "en",
                  "value": "GENERAL"
                }
              ]
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-125",
                  "description": "CWE-125 Out-of-bounds read",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-06-30T12:58:38.850Z",
            "orgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
            "shortName": "NetScaler"
          },
          "references": [
            {
              "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604"
            }
          ],
          "source": {
            "discovery": "UNKNOWN"
          },
          "title": "Insufficient input validation leading to memory overread",
          "x_generator": {
            "engine": "Vulnogram 1.0.2"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "50a63c94-1ea7-4568-8c11-eb79e7c5a2b5",
        "assignerShortName": "NetScaler",
        "cveId": "CVE-2026-10817",
        "datePublished": "2026-06-30T12:58:38.850Z",
        "dateReserved": "2026-06-04T05:49:25.173Z",
        "dateUpdated": "2026-06-30T13:28:19.305Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.