{"id":"CVE-2026-110603","state":"PUBLISHED","title":"LASzip through 3.5.0 Invalid Free via Truncated VLR Header in laszip_read_header","description":"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.","publishedAt":"2026-10-14T14:16:44.360Z","updatedAt":"2026-10-16T17:16:44.388Z","severity":{"score":5.8,"label":"Medium","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["rapidlasso LASzip"],"affected":[{"vendor":"rapidlasso","product":"LASzip","packageURL":"pkg:github/LASzip/LASzip","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.5.0","versionType":"semver"}],"collectionURL":"https://github.com","repo":"https://github.com/LASzip/LASzip"}],"references":["https://github.com/LASzip/LASzip/commit/c9bfd3e68d65c84d513a2286ae06cbbe17afda02","https://github.com/LASzip/LASzip/blob/3.5.0/src/laszip_dll.cpp#L3967-L3995","https://github.com/LASzip/LASzip/blob/3.5.0/src/laszip_dll.cpp#L497-L511","https://hackmd.io/@haind-pwn/laszip-vlr-uninitialized-free","https://www.vulncheck.com/advisories/laszip-through-3.5.0-invalid-free-via-truncated-vlr-header-in-laszip-read-header"],"weaknesses":["CWE-824"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/110xxx/CVE-2026-110603.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-110603","state":"PUBLISHED","datePublished":"2026-10-14T14:16:44.360Z","dateUpdated":"2026-10-16T17:16:44.388Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-14T13:07:21.217Z"},"containers":{"cna":{"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. 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