{"id":"CVE-2018-20539","aliases":["EUVD-2018-13093","GHSA-fh22-7fx9-qh2m","UBUNTU-CVE-2018-20539"],"status":"published","title":"There is a Segmentation fault triggered by illegal address access at liblas::SpatialReference:...","description":"There is a Segmentation fault triggered by illegal address access at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.0143,"percentile":0.73393,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2018-12-28T03:00:00Z","modified":"2026-06-17T01:53:02Z","affected":[{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"liblas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.0-5","1.8.0-7","1.8.0-7build1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"liblas","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.1-4build1","1.8.1-4build2","1.8.1-5","1.8.1-6build1"]}],"products":[{"vendor":"liblas","product":"liblas"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1652609","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3TPVZSUWM5TEAMCBL3Y7QLGQSLCCJFIT/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YFI3F3PRKPXOITWD47LF6ON4L5MJQQYM/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20539"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3TPVZSUWM5TEAMCBL3Y7QLGQSLCCJFIT/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YFI3F3PRKPXOITWD47LF6ON4L5MJQQYM/"},{"url":"https://github.com/advisories/GHSA-fh22-7fx9-qh2m"},{"url":"https://ubuntu.com/security/CVE-2018-20539","tags":["report"]},{"url":"https://github.com/libLAS/libLAS/issues/159","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-20539","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2018-20539","description":"There is a Segmentation fault triggered by illegal address access at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.","status":"published","published":"2018-12-28T03:00:00Z","modified":"2024-08-05T12:05:17.381Z","updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-13093","description":"There is a Segmentation fault triggered by illegal address access at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.","status":"published","published":"2018-12-28T03:00:00Z","modified":"2024-08-05T12:05:17Z","updated_at":"2026-11-03T02:39:30.323824Z"}],"ghsa":[{"id":"GHSA-fh22-7fx9-qh2m","title":"There is a Segmentation fault triggered by illegal address access at liblas::SpatialReference:...","description":"There is a Segmentation fault triggered by illegal address access at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.","status":"published","published":"2022-05-13T01:27:10Z","modified":"2023-02-01T05:07:51Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:37.203795Z"}],"nvd":[{"id":"CVE-2018-20539","description":"There is a Segmentation fault triggered by illegal address access at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.","status":"published","published":"2018-12-28T16:29:04.55Z","modified":"2026-06-17T01:53:02.5Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:52.056758Z"}],"osv":[{"id":"UBUNTU-CVE-2018-20539","description":"There is a Segmentation fault triggered by illegal address access at liblas::SpatialReference::GetGTIF() (spatialreference.cpp) in libLAS 1.8.1 that will cause a denial of service.","status":"published","published":"2018-12-28T16:29:00Z","modified":"2026-04-22T11:51:56.585424Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:54:17.91743Z"}]}}