{"id":"CVE-2026-110603","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-110603","generatedAt":"2026-10-28T01:02:56.765Z","title":"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.","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.","published":"2026-10-14T15:17:12.000Z","lastModified":"2026-10-16T19:00:34.000Z","status":"Awaiting Analysis","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":5.8,"severity":"MEDIUM","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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-824"],"affected":[],"epss":{"score":0.00171,"percentile":0.06443,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00173,"percentile":0.06323}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-14T15:17:12.000Z","detail":{"score":"5.8","severity":"MEDIUM","publishedAt":"2026-10-14T15:17:11.820Z"},"summary":"New CVE, medium severity (CVSS 5.8)."}],"references":[{"url":"https://github.com/LASzip/LASzip/blob/3.5.0/src/laszip_dll.cpp#L3967-L3995","source":"disclosure@vulncheck.com"},{"url":"https://github.com/LASzip/LASzip/blob/3.5.0/src/laszip_dll.cpp#L497-L511","source":"disclosure@vulncheck.com"},{"url":"https://github.com/LASzip/LASzip/commit/c9bfd3e68d65c84d513a2286ae06cbbe17afda02","source":"disclosure@vulncheck.com"},{"url":"https://hackmd.io/@haind-pwn/laszip-vlr-uninitialized-free","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/laszip-through-3.5.0-invalid-free-via-truncated-vlr-header-in-laszip-read-header","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-110603","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}