{"id":"CVE-2019-7663","details":"An Invalid Address dereference was discovered in TIFFWriteDirectoryTagTransferfunction in libtiff/tif_dirwrite.c in LibTIFF 4.0.10, affecting the cpSeparateBufToContigBuf function in tiffcp.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted tiff file. This is different from CVE-2018-12900.","modified":"2026-04-02T02:08:07.270Z","published":"2019-02-09T16:29:00.313Z","related":["MGASA-2019-0101","SUSE-SU-2019:0786-1","SUSE-SU-2019:3058-1","openSUSE-SU-2019:1161-1","openSUSE-SU-2024:11461-1"],"references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4670"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00041.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2019/02/msg00026.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202003-25"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3906-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3906-2/"},{"type":"FIX","url":"http://bugzilla.maptools.org/show_bug.cgi?id=2833"},{"type":"FIX","url":"https://gitlab.com/libtiff/libtiff/commit/802d3cbf3043be5dce5317e140ccb1c17a6a2d39"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://gitlab.com/libtiff/libtiff","events":[{"introduced":"0"},{"last_affected":"b8eac98dd0849c3f888518ce5cecc020f8b2991c"},{"fixed":"802d3cbf3043be5dce5317e140ccb1c17a6a2d39"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"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","v3.9.0","v3.9.0beta","v3.9.1","v3.9.2","v3.9.3","v3.9.4","v3.9.5","v3.9.6","v3.9.7","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/cve-osv-conversion/osv-output/CVE-2019-7663.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.04"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.10"}]},{"events":[{"introduced":"0"},{"last_affected":"15.0"}]}],"vanir_signatures":[{"target":{"file":"libtiff/tif_dirwrite.c"},"digest":{"threshold":0.9,"line_hashes":["186767229891473563274791702224467613217","19481069840066620359853707821813487969","52036967966178718200882280771518880600","205253912760579363233619821217339056782","65357827389285656138329724700151139238","316004082998730054425576374731708826911","291094780492294955417275808369610628831","88395608207003517829085251503399108020","241257191188706293250932588388811400347"]},"source":"https://gitlab.com/libtiff/libtiff@802d3cbf3043be5dce5317e140ccb1c17a6a2d39","id":"CVE-2019-7663-286a357a","signature_type":"Line","deprecated":false,"signature_version":"v1"},{"target":{"file":"libtiff/tif_dirwrite.c","function":"TIFFWriteDirectoryTagTransferfunction"},"digest":{"length":1388,"function_hash":"83226123827981840915355884833144387677"},"source":"https://gitlab.com/libtiff/libtiff@802d3cbf3043be5dce5317e140ccb1c17a6a2d39","id":"CVE-2019-7663-d9d4ebe4","signature_type":"Function","deprecated":false,"signature_version":"v1"}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}