FKIE_CVE-2022-23852

Vulnerability from fkie_nvd - Published: 2022-01-24 02:15 - Updated: 2026-06-17 04:30
Severity
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.
References
cve@mitre.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfThird Party Advisory
cve@mitre.orghttps://github.com/libexpat/libexpat/pull/550Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://security.gentoo.org/glsa/202209-24Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20220217-0001/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2022/dsa-5073Third Party Advisory
cve@mitre.orghttps://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
cve@mitre.orghttps://www.tenable.com/security/tns-2022-05Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-484086.pdfThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/libexpat/libexpat/pull/550Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/03/msg00007.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202209-24Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220217-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5073Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuapr2022.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/tns-2022-05Third Party Advisory
Impacted products
Vendor Product Version
libexpat_project libexpat *
netapp clustered_data_ontap -
netapp oncommand_workflow_automation -
tenable nessus *
tenable nessus *
oracle communications_metasolv_solution 6.3.1
debian debian_linux 9.0
siemens sinema_remote_connect_server *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
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            },
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              "vulnerable": true
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          ],
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      ]
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES."
    },
    {
      "lang": "es",
      "value": "Expat (tambi\u00e9n se conoce como libexpat) versiones anteriores a 2.4.4, presenta un desbordamiento de enteros con signo en la funci\u00f3n XML_GetBuffer, para configuraciones con un XML_CONTEXT_BYTES no nulo"
    }
  ],
  "id": "CVE-2022-23852",
  "lastModified": "2026-06-17T04:30:53.100",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
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          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-23852",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-23T13:27:42.655253Z",
          "version": "2.0.3"
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  },
  "published": "2022-01-24T02:15:06.733",
  "references": [
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      "tags": [
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  "vulnStatus": "Modified",
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  ]
}



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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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