{"id":"CVE-2026-110603","aliases":["DEBIAN-CVE-2026-110603","EUVD-2026-101231","GHSA-m6xh-mjq9-hv5w","UBUNTU-CVE-2026-110603","openSUSE-SU-2026:12485-1"],"status":"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.","severity":{"version":"4.0","score":5.8,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00171,"percentile":0.06557,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-824"],"published":"2026-10-14T14:16:44Z","modified":"2026-11-09T13:42:15Z","fixes":[{"ecosystem":"openSUSE:Tumbleweed","package":"laszip","fixed_in":["3.5.0-2.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:13","package":"laszip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.0+really3.5.0-1","3.5.0-2"]},{"source":"osv","ecosystem":"Debian:14","package":"laszip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.0+really3.5.0-1","3.5.0-2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"laszip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.1-2","3.4.3-1","3.4.3-1build1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"laszip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4.3-2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"laszip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"laszip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.0+really3.5.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"laszip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.0-2","3.5.0+really3.5.0-1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"laszip","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.5.0-2.1"}]}]}],"products":[{"vendor":"rapidlasso","product":"laszip"}],"references":[{"url":"https://github.com/LASzip/LASzip/commit/c9bfd3e68d65c84d513a2286ae06cbbe17afda02","tags":["patch","fix","report"]},{"url":"https://github.com/LASzip/LASzip/blob/3.5.0/src/laszip_dll.cpp#L3967-L3995","tags":["technical-description","article","report"]},{"url":"https://github.com/LASzip/LASzip/blob/3.5.0/src/laszip_dll.cpp#L497-L511","tags":["technical-description","article","report"]},{"url":"https://hackmd.io/@haind-pwn/laszip-vlr-uninitialized-free","tags":["third-party-advisory","advisory","report"]},{"url":"https://www.vulncheck.com/advisories/laszip-through-3.5.0-invalid-free-via-truncated-vlr-header-in-laszip-read-header","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110603","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-m6xh-mjq9-hv5w"},{"url":"https://github.com","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110603.json","tags":["advisory"]},{"url":"https://github.com/LASzip/LASzip","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-110603","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-110603","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110603","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-110603","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-110603","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.","status":"published","published":"2026-10-14T14:16:44.36Z","modified":"2026-10-16T17:16:44.388Z","cvss":[{"version":"4.0","score":5.8,"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","level":"medium","assessor":"cna"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-824"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-101231","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.","status":"published","published":"2026-10-14T14:16:44Z","modified":"2026-10-16T17:16:44Z","cvss":[{"version":"4.0","score":5.8,"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","level":"medium"}],"updated_at":"2026-11-02T17:00:04.331134Z"}],"ghsa":[{"id":"GHSA-m6xh-mjq9-hv5w","title":"LASzip through 3.5.0 contains an invalid free vulnerability in laszip_read_header() that allows...","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.","status":"published","published":"2026-10-14T15:32:24Z","modified":"2026-10-14T15:32:30Z","cvss":[{"version":"4.0","score":5.8,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-824"],"updated_at":"2026-11-02T15:13:26.117603Z"}],"nvd":[{"id":"CVE-2026-110603","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.","status":"published","published":"2026-10-14T15:17:11.82Z","modified":"2026-10-16T19:00:33.6Z","cvss":[{"version":"4.0","score":5.8,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-824"],"updated_at":"2026-11-02T14:12:58.99337Z"}],"osv":[{"id":"CVE-2026-110603","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.","status":"published","published":"2026-10-14T14:16:44.36Z","modified":"2026-11-09T13:42:15.839078064Z","cvss":[{"version":"4.0","score":5.8,"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","level":"medium"}],"cwes":["CWE-824"],"updated_at":"2026-11-09T14:01:18.614326Z"},{"id":"DEBIAN-CVE-2026-110603","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.","status":"published","published":"2026-10-14T15:17:11.82Z","modified":"2026-10-23T18:05:32.105896418Z","cvss":[{"version":"4.0","score":5.8,"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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-110603","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.","status":"published","published":"2026-10-14T15:17:00Z","modified":"2026-10-28T17:50:34Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:H","level":"medium"},{"version":"4.0","score":5.8,"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","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"},{"id":"openSUSE-SU-2026:12485-1","title":"laszip-devel-3.5.0-2.1 on GA media","description":"These are all security issues fixed in the laszip-devel-3.5.0-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-11-08T00:00:00Z","modified":"2026-11-09T13:30:03.662883506Z","updated_at":"2026-11-09T14:01:18.614326Z"}]}}