{"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":"2026-07-08T16:08:30.385080Z","published":"2019-02-09T16:29:00.313Z","related":["SUSE-SU-2019:0786-1","SUSE-SU-2019:3058-1","openSUSE-SU-2019:1161-1","openSUSE-SU-2024:11461-1"],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*","cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"12.04"},{"last_affected":"12.04"},{"introduced":"14.04"},{"last_affected":"14.04"},{"introduced":"16.04"},{"last_affected":"16.04"},{"introduced":"18.04"},{"last_affected":"18.04"},{"introduced":"18.10"},{"last_affected":"18.10"}],"source":"CPE_STRING","vendor_product":"canonical:ubuntu_linux"},{"source":"CPE_STRING","vendor_product":"debian:debian_linux","cpes":["cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"8.0"},{"last_affected":"8.0"}]},{"extracted_events":[{"introduced":"15.0"},{"last_affected":"15.0"}],"source":"CPE_STRING","vendor_product":"opensuse:leap","cpes":["cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*"]}]},"references":[{"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":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4670"},{"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":"b8eac98dd0849c3f888518ce5cecc020f8b2991c"},{"last_affected":"b8eac98dd0849c3f888518ce5cecc020f8b2991c"},{"fixed":"802d3cbf3043be5dce5317e140ccb1c17a6a2d39"}],"database_specific":{"cpe":"cpe:2.3:a:libtiff:libtiff:4.0.10:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.0.10"},{"last_affected":"4.0.10"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["4.0.10","v4.0.10"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-7663.json","vanir_signatures_modified":"2026-07-08T16:08:30Z","vanir_signatures":[{"signature_type":"Line","signature_version":"v1","source":"https://gitlab.com/libtiff/libtiff@802d3cbf3043be5dce5317e140ccb1c17a6a2d39","target":{"file":"libtiff/tif_dirwrite.c"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["186767229891473563274791702224467613217","19481069840066620359853707821813487969","52036967966178718200882280771518880600","205253912760579363233619821217339056782","65357827389285656138329724700151139238","316004082998730054425576374731708826911","291094780492294955417275808369610628831","88395608207003517829085251503399108020","241257191188706293250932588388811400347"]},"id":"CVE-2019-7663-286a357a"},{"id":"CVE-2019-7663-d9d4ebe4","signature_type":"Function","signature_version":"v1","source":"https://gitlab.com/libtiff/libtiff@802d3cbf3043be5dce5317e140ccb1c17a6a2d39","target":{"file":"libtiff/tif_dirwrite.c","function":"TIFFWriteDirectoryTagTransferfunction"},"deprecated":false,"digest":{"function_hash":"83226123827981840915355884833144387677","length":1388}}]}}],"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"}]}