{"id":"CVE-2020-18768","details":"There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file.","modified":"2026-04-11T20:34:03.100120Z","published":"2023-08-22T19:15:55.480Z","related":["SUSE-SU-2023:4370-1","SUSE-SU-2023:4371-1"],"references":[{"type":"REPORT","url":"http://bugzilla.maptools.org/show_bug.cgi?id=2848"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/libtiff/libtiff","events":[{"introduced":"0"},{"last_affected":"b8eac98dd0849c3f888518ce5cecc020f8b2991c"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"4.0.10"}],"source":"CPE_FIELD","cpe":"cpe:2.3:a:libtiff:libtiff:4.0.10:*:*:*:*:*:*:*"}}],"versions":["v3.5.3","v3.5.4","v3.5.5","v3.5.7","v3.6.0","v3.6.0beta2","v3.6.1","v3.7.0","v3.7.0alpha","v3.7.0beta","v3.7.0beta2","v3.7.1","v3.7.2","v3.7.3","v3.7.4","v3.8.0","v3.8.1","v3.8.2","v4.0.0","v4.0.0alpha","v4.0.0alpha4","v4.0.0alpha5","v4.0.0alpha6","v4.0.0beta7","v4.0.1","v4.0.10","v4.0.2","v4.0.3","v4.0.4","v4.0.4beta","v4.0.5","v4.0.6","v4.0.7","v4.0.8","v4.0.9"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-18768.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}