CVE-2026-116463 (GCVE-0-2026-116463)

Vulnerability from cvelistv5 – Published: 2026-10-26 18:00 – Updated: 2026-10-26 18:00 X_Freeware
VLAI
Title
FastStone Image Viewer Box-Average Downsampler FUN_0062d96c out-of-bounds
Summary
A vulnerability was identified in FastStone Image Viewer up to 8.5. Affected is the function FUN_0062d96c of the component Box-Average Downsampler Engine. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 83/100 over 3836 records in the last 180 days details
References
URL Tags
https://vuldb.com/vuln/426360 vdb-entrytechnical-description
https://vuldb.com/vuln/426360/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-116463 third-party-advisory
https://vuldb.com/submit/1013651 third-party-advisory
Impacted products
Vendor Product Version CPE status
FastStone Image Viewer Affected: 8.0
Affected: 8.1
Affected: 8.2
Affected: 8.3
Affected: 8.4
Affected: 8.5
    cpe:2.3:a:faststone:image_viewer:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
jacksonstone (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:faststone:image_viewer:*:*:*:*:*:*:*:*"
          ],
          "modules": [
            "Box-Average Downsampler Engine"
          ],
          "product": "Image Viewer",
          "vendor": "FastStone",
          "versions": [
            {
              "status": "affected",
              "version": "8.0"
            },
            {
              "status": "affected",
              "version": "8.1"
            },
            {
              "status": "affected",
              "version": "8.2"
            },
            {
              "status": "affected",
              "version": "8.3"
            },
            {
              "status": "affected",
              "version": "8.4"
            },
            {
              "status": "affected",
              "version": "8.5"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "jacksonstone (VulDB User)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "VulDB CNA Team"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was identified in FastStone Image Viewer up to 8.5. Affected is the function FUN_0062d96c of the component Box-Average Downsampler Engine. The manipulation leads to out-of-bounds read. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way."
        }
      ],
      "metrics": [
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      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2026-10-26T18:00:15.404Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
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          "name": "VDB-426360 | FastStone Image Viewer Box-Average Downsampler FUN_0062d96c out-of-bounds",
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          ],
          "url": "https://vuldb.com/vuln/426360"
        },
        {
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          "tags": [
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        },
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          "name": "CVE-2026-116463 | CVE Analysis and Report",
          "tags": [
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          ],
          "url": "https://vuldb.com/cve/CVE-2026-116463"
        },
        {
          "name": "Submit #1013651 | FastStone Image Viewer 8.5 Out-of-Bounds Read",
          "tags": [
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          "url": "https://vuldb.com/submit/1013651"
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          "time": "2026-10-26T11:19:33.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "FastStone Image Viewer Box-Average Downsampler FUN_0062d96c out-of-bounds",
      "x_generator": [
        "VulDB PVTS v202610"
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-116463",
    "datePublished": "2026-10-26T18:00:15.404Z",
    "dateReserved": "2026-10-26T10:14:28.202Z",
    "dateUpdated": "2026-10-26T18:00:15.404Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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      "date": "2026-10-29",
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      "percentile": "0.14019"
    },
    "nvd": {
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        "affected": [
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            "affectedData": [
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                  "cpe:2.3:a:faststone:image_viewer:*:*:*:*:*:*:*:*"
                ],
                "modules": [
                  "Box-Average Downsampler Engine"
                ],
                "product": "Image Viewer",
                "vendor": "FastStone",
                "versions": [
                  {
                    "status": "affected",
                    "version": "8.0"
                  },
                  {
                    "status": "affected",
                    "version": "8.1"
                  },
                  {
                    "status": "affected",
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                  },
                  {
                    "status": "affected",
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                  },
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                  },
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        "cveTags": [],
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          }
        ],
        "id": "CVE-2026-116463",
        "lastModified": "2026-10-26T18:39:42.503",
        "metrics": {
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          "cvssMetricV40": [
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                "Recovery": "NOT_DEFINED",
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                "exploitMaturity": "NOT_DEFINED",
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                "modifiedAttackComplexity": "NOT_DEFINED",
                "modifiedAttackRequirements": "NOT_DEFINED",
                "modifiedAttackVector": "NOT_DEFINED",
                "modifiedPrivilegesRequired": "NOT_DEFINED",
                "modifiedSubAvailabilityImpact": "NOT_DEFINED",
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                "privilegesRequired": "NONE",
                "providerUrgency": "NOT_DEFINED",
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                "subConfidentialityImpact": "NONE",
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                "userInteraction": "PASSIVE",
                "valueDensity": "NOT_DEFINED",
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  }
}



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