{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-110603", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-14T13:07:21.217Z", "datePublished": "2026-10-14T14:16:44.360Z", "dateUpdated": "2026-10-14T14:16:44.360Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-14T14:16:44.360Z"}, "datePublic": "2026-10-14T00:00:00.000Z", "title": "LASzip through 3.5.0 Invalid Free via Truncated VLR Header in laszip_read_header", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Access of Uninitialized Pointer", "cweId": "CWE-824", "type": "CWE"}]}], "affected": [{"vendor": "rapidlasso", "product": "LASzip", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "3.5.0", "status": "affected", "versionType": "semver"}], "packageURL": "pkg:github/LASzip/LASzip", "collectionURL": "https://github.com", "repo": "https://github.com/LASzip/LASzip"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 6.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/LASzip/LASzip/commit/c9bfd3e68d65c84d513a2286ae06cbbe17afda02", "tags": ["patch"]}, {"url": "https://github.com/LASzip/LASzip/blob/3.5.0/src/laszip_dll.cpp#L3967-L3995", "tags": ["technical-description"]}, {"url": "https://github.com/LASzip/LASzip/blob/3.5.0/src/laszip_dll.cpp#L497-L511", "tags": ["technical-description"]}, {"url": "https://hackmd.io/@haind-pwn/laszip-vlr-uninitialized-free", "tags": ["third-party-advisory"]}, {"name": "VulnCheck Advisory: LASzip through 3.5.0 Invalid Free via Truncated VLR Header in laszip_read_header", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/laszip-through-3.5.0-invalid-free-via-truncated-vlr-header-in-laszip-read-header"}], "credits": [{"lang": "en", "value": "HaiND from the Post and Telecommunication Institute of Technology", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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