{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "3.5.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "fa089bd8b2b4ca5631e199d257374c32a125f73f"
            }
          ],
          "repo": "https://github.com/laszip/laszip",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-824"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110603.json"
  },
  "details": "LASzip through 3.5.0 contains an invalid free vulnerability in laszip_read_header() that allows attackers to free uninitialized heap pointers via truncated variable length record data. Attackers can supply a crafted LAS/LAZ file with an inflated VLR count that, when opened and destroyed through the C API, crashes the process and corrupts the heap.",
  "id": "CVE-2026-110603",
  "modified": "2026-10-15T02:30:46.365549928Z",
  "published": "2026-10-14T14:16:44.360Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110603.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/LASzip/LASzip"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/LASzip/LASzip/blob/3.5.0/src/laszip_dll.cpp#L3967-L3995"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/LASzip/LASzip/blob/3.5.0/src/laszip_dll.cpp#L497-L511"
    },
    {
      "type": "FIX",
      "url": "https://github.com/LASzip/LASzip/commit/c9bfd3e68d65c84d513a2286ae06cbbe17afda02"
    },
    {
      "type": "ADVISORY",
      "url": "https://hackmd.io/@haind-pwn/laszip-vlr-uninitialized-free"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110603"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/laszip-through-3.5.0-invalid-free-via-truncated-vlr-header-in-laszip-read-header"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "LASzip through 3.5.0 Invalid Free via Truncated VLR Header in laszip_read_header"
}