CVE-2026-91804 (GCVE-0-2026-91804)
Vulnerability from cvelistv5
Published
2026-09-23 07:50
Modified
2026-09-23 14:42
CWE
Summary
A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader’s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes.
Impacted products
Vendor Product Version
Foxit Software Inc. Foxit PDF Editor Version: Versions 2026.2 and earlier
Version: Versions 14.0.7 and earlier
Version: Versions 13.2.6 and earlier
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-91804",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-23T14:41:58.087529Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-23T14:42:11.632Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "Foxit PDF Editor",
          "vendor": "Foxit Software Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "Versions 2026.2 and earlier"
            },
            {
              "status": "affected",
              "version": "Versions 14.0.7 and earlier"
            },
            {
              "status": "affected",
              "version": "Versions 13.2.6 and earlier"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "Foxit PDF Reader",
          "vendor": "Foxit Software Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "Versions 2026.2 and earlier"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Xupeng"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader\u2019s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes."
            }
          ],
          "value": "A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader\u2019s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes."
        }
      ],
      "impacts": [
        {
          "descriptions": [
            {
              "lang": "en",
              "value": "Potential arbitrary code execution"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "Out-of-bounds Write (CWE-787)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-23T07:50:34.432Z",
        "orgId": "14984358-7092-470d-8f34-ade47a7658a2",
        "shortName": "Foxit"
      },
      "references": [
        {
          "url": "https://www.foxit.com/support/security-bulletins.html"
        }
      ],
      "title": "Foxit PDF Editor/Reader Out-of-bounds Write Vulnerability While Rendering",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2",
    "assignerShortName": "Foxit",
    "cveId": "CVE-2026-91804",
    "datePublished": "2026-09-23T07:50:34.432Z",
    "dateReserved": "2026-09-15T07:34:43.393Z",
    "dateUpdated": "2026-09-23T14:42:11.632Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-91804\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-23T14:41:58.087529Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-23T14:42:07.647Z\"}}], \"cna\": {\"title\": \"Foxit PDF Editor/Reader Out-of-bounds Write Vulnerability While Rendering\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Xupeng\"}], \"impacts\": [{\"descriptions\": [{\"lang\": \"en\", \"value\": \"Potential arbitrary code execution\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Foxit Software Inc.\", \"product\": \"Foxit PDF Editor\", \"versions\": [{\"status\": \"affected\", \"version\": \"Versions 2026.2 and earlier\"}, {\"status\": \"affected\", \"version\": \"Versions 14.0.7 and earlier\"}, {\"status\": \"affected\", \"version\": \"Versions 13.2.6 and earlier\"}], \"platforms\": [\"Windows\"], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"Foxit Software Inc.\", \"product\": \"Foxit PDF Reader\", \"versions\": [{\"status\": \"affected\", \"version\": \"Versions 2026.2 and earlier\"}], \"platforms\": [\"Windows\"], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://www.foxit.com/support/security-bulletins.html\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.5\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader\\u2019s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader\\u2019s rendering of Circle annotations with malformed Cloudy appearance streams in specially crafted PDF files. Insufficient validation of the appearance geometry can result in memory corruption and application crashes.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"Out-of-bounds Write (CWE-787)\"}]}], \"providerMetadata\": {\"orgId\": \"14984358-7092-470d-8f34-ade47a7658a2\", \"shortName\": \"Foxit\", \"dateUpdated\": \"2026-09-23T07:50:34.432Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-91804\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-23T14:42:11.632Z\", \"dateReserved\": \"2026-09-15T07:34:43.393Z\", \"assignerOrgId\": \"14984358-7092-470d-8f34-ade47a7658a2\", \"datePublished\": \"2026-09-23T07:50:34.432Z\", \"assignerShortName\": \"Foxit\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…