NanaZip has DotNet Single file OOB Heap Read

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-26282",
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "dateUpdated": "2026-02-19T20:41:49.223Z",
    "dateReserved": "2026-02-12T17:10:53.414Z",
    "datePublished": "2026-02-19T20:41:49.223Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M",
        "dateUpdated": "2026-02-19T20:41:49.223Z"
      },
      "title": "NanaZip has DotNet Single file OOB Heap Read",
      "descriptions": [
        {
          "lang": "en",
          "value": "NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, NanaZip has an out-of-bounds heap read in `.NET Single File` bundle header parser due to missing bounds check. Opening a crafted file with NanaZip causes a crash or leaks heap data to the user. Version 6.0.1630.0 patches the issue."
        }
      ],
      "affected": [
        {
          "vendor": "M2Team",
          "product": "NanaZip",
          "versions": [
            {
              "version": ">= 5.0.1252.0, < 6.0.1630.0",
              "status": "affected"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-126: Buffer Over-read",
              "cweId": "CWE-126",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c",
          "name": "https://github.com/M2Team/NanaZip/security/advisories/GHSA-ccpc-2222-xv5c",
          "tags": [
            "x_refsource_CONFIRM"
          ]
        },
        {
          "url": "https://github.com/user-attachments/files/25274143/poc.exe.zip",
          "name": "https://github.com/user-attachments/files/25274143/poc.exe.zip",
          "tags": [
            "x_refsource_MISC"
          ]
        }
      ],
      "metrics": [
        {}
      ]
    }
  }
}