{"id":"UBUNTU-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through a crafted tiff file.","modified":"2025-07-16T08:25:04.579789Z","published":"2023-08-22T19:15:00Z","withdrawn":"2025-07-18T16:45:59Z","upstream":["CVE-2020-18768"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-18768"},{"type":"REPORT","url":"http://bugzilla.maptools.org/show_bug.cgi?id=2848"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-18768"}],"affected":[{"package":{"name":"tiff","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/tiff@4.0.3-7ubuntu0.11+esm9?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.3-7ubuntu0.11+esm9"}]}],"versions":["4.0.2-4ubuntu3","4.0.3-5ubuntu1","4.0.3-6","4.0.3-6ubuntu1","4.0.3-7","4.0.3-7ubuntu0.1","4.0.3-7ubuntu0.2","4.0.3-7ubuntu0.3","4.0.3-7ubuntu0.4","4.0.3-7ubuntu0.6","4.0.3-7ubuntu0.7","4.0.3-7ubuntu0.8","4.0.3-7ubuntu0.9","4.0.3-7ubuntu0.10","4.0.3-7ubuntu0.11","4.0.3-7ubuntu0.11+esm1","4.0.3-7ubuntu0.11+esm2","4.0.3-7ubuntu0.11+esm3","4.0.3-7ubuntu0.11+esm4","4.0.3-7ubuntu0.11+esm5","4.0.3-7ubuntu0.11+esm6","4.0.3-7ubuntu0.11+esm7","4.0.3-7ubuntu0.11+esm8"],"ecosystem_specific":{"binaries":[{"binary_name":"libtiff-doc","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiff-opengl","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiff-opengl-dbgsym","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiff-tools","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiff-tools-dbgsym","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiff4-dev","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiff5","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiff5-alt-dev","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiff5-dbgsym","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiff5-dev","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiffxx5","binary_version":"4.0.3-7ubuntu0.11+esm9"},{"binary_name":"libtiffxx5-dbgsym","binary_version":"4.0.3-7ubuntu0.11+esm9"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-18768.json"}},{"package":{"name":"tiff","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/tiff@4.0.6-1ubuntu0.8+esm13?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.6-1ubuntu0.8+esm13"}]}],"versions":["4.0.3-12.3ubuntu2","4.0.5-1","4.0.6-1","4.0.6-1ubuntu0.1","4.0.6-1ubuntu0.2","4.0.6-1ubuntu0.3","4.0.6-1ubuntu0.4","4.0.6-1ubuntu0.5","4.0.6-1ubuntu0.6","4.0.6-1ubuntu0.7","4.0.6-1ubuntu0.8","4.0.6-1ubuntu0.8+esm1","4.0.6-1ubuntu0.8+esm2","4.0.6-1ubuntu0.8+esm3","4.0.6-1ubuntu0.8+esm4","4.0.6-1ubuntu0.8+esm6","4.0.6-1ubuntu0.8+esm7","4.0.6-1ubuntu0.8+esm8","4.0.6-1ubuntu0.8+esm9","4.0.6-1ubuntu0.8+esm10","4.0.6-1ubuntu0.8+esm11","4.0.6-1ubuntu0.8+esm12"],"ecosystem_specific":{"binaries":[{"binary_name":"libtiff-doc","binary_version":"4.0.6-1ubuntu0.8+esm13"},{"binary_name":"libtiff-opengl","binary_version":"4.0.6-1ubuntu0.8+esm13"},{"binary_name":"libtiff-opengl-dbgsym","binary_version":"4.0.6-1ubuntu0.8+esm13"},{"binary_name":"libtiff-tools","binary_version":"4.0.6-1ubuntu0.8+esm13"},{"binary_name":"libtiff-tools-dbgsym","binary_version":"4.0.6-1ubuntu0.8+esm13"},{"binary_name":"libtiff5","binary_version":"4.0.6-1ubuntu0.8+esm13"},{"binary_name":"libtiff5-dbgsym","binary_version":"4.0.6-1ubuntu0.8+esm13"},{"binary_name":"libtiff5-dev","binary_version":"4.0.6-1ubuntu0.8+esm13"},{"binary_name":"libtiffxx5","binary_version":"4.0.6-1ubuntu0.8+esm13"},{"binary_name":"libtiffxx5-dbgsym","binary_version":"4.0.6-1ubuntu0.8+esm13"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-18768.json"}},{"package":{"name":"tiff","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/tiff@4.0.9-5ubuntu0.10+esm3?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-5ubuntu0.10+esm3"}]}],"versions":["4.0.8-5","4.0.8-6","4.0.9-1","4.0.9-2","4.0.9-3","4.0.9-4","4.0.9-4ubuntu1","4.0.9-5","4.0.9-5ubuntu0.1","4.0.9-5ubuntu0.2","4.0.9-5ubuntu0.3","4.0.9-5ubuntu0.4","4.0.9-5ubuntu0.5","4.0.9-5ubuntu0.6","4.0.9-5ubuntu0.7","4.0.9-5ubuntu0.8","4.0.9-5ubuntu0.9","4.0.9-5ubuntu0.10","4.0.9-5ubuntu0.10+esm1","4.0.9-5ubuntu0.10+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"libtiff-dev","binary_version":"4.0.9-5ubuntu0.10+esm3"},{"binary_name":"libtiff-doc","binary_version":"4.0.9-5ubuntu0.10+esm3"},{"binary_name":"libtiff-opengl","binary_version":"4.0.9-5ubuntu0.10+esm3"},{"binary_name":"libtiff-opengl-dbgsym","binary_version":"4.0.9-5ubuntu0.10+esm3"},{"binary_name":"libtiff-tools","binary_version":"4.0.9-5ubuntu0.10+esm3"},{"binary_name":"libtiff-tools-dbgsym","binary_version":"4.0.9-5ubuntu0.10+esm3"},{"binary_name":"libtiff5","binary_version":"4.0.9-5ubuntu0.10+esm3"},{"binary_name":"libtiff5-dbgsym","binary_version":"4.0.9-5ubuntu0.10+esm3"},{"binary_name":"libtiff5-dev","binary_version":"4.0.9-5ubuntu0.10+esm3"},{"binary_name":"libtiffxx5","binary_version":"4.0.9-5ubuntu0.10+esm3"},{"binary_name":"libtiffxx5-dbgsym","binary_version":"4.0.9-5ubuntu0.10+esm3"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-18768.json"}},{"package":{"name":"tiff","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/tiff@4.1.0+git191117-2ubuntu0.20.04.10?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1.0+git191117-2ubuntu0.20.04.10"}]}],"versions":["4.0.10+git191003-1","4.1.0+git191117-1","4.1.0+git191117-2","4.1.0+git191117-2build1","4.1.0+git191117-2ubuntu0.20.04.1","4.1.0+git191117-2ubuntu0.20.04.2","4.1.0+git191117-2ubuntu0.20.04.3","4.1.0+git191117-2ubuntu0.20.04.4","4.1.0+git191117-2ubuntu0.20.04.5","4.1.0+git191117-2ubuntu0.20.04.6","4.1.0+git191117-2ubuntu0.20.04.7","4.1.0+git191117-2ubuntu0.20.04.8","4.1.0+git191117-2ubuntu0.20.04.9"],"ecosystem_specific":{"binaries":[{"binary_name":"libtiff-dev","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"},{"binary_name":"libtiff-doc","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"},{"binary_name":"libtiff-opengl","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"},{"binary_name":"libtiff-opengl-dbgsym","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"},{"binary_name":"libtiff-tools","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"},{"binary_name":"libtiff-tools-dbgsym","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"},{"binary_name":"libtiff5","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"},{"binary_name":"libtiff5-dbgsym","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"},{"binary_name":"libtiff5-dev","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"},{"binary_name":"libtiffxx5","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"},{"binary_name":"libtiffxx5-dbgsym","binary_version":"4.1.0+git191117-2ubuntu0.20.04.10"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-18768.json"}},{"package":{"name":"tiff","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/tiff@4.3.0-6ubuntu0.6?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.0-6ubuntu0.6"}]}],"versions":["4.3.0-1","4.3.0-2","4.3.0-3","4.3.0-3build1","4.3.0-4","4.3.0-5","4.3.0-6","4.3.0-6ubuntu0.1","4.3.0-6ubuntu0.2","4.3.0-6ubuntu0.3","4.3.0-6ubuntu0.4","4.3.0-6ubuntu0.5"],"ecosystem_specific":{"binaries":[{"binary_name":"libtiff-dev","binary_version":"4.3.0-6ubuntu0.6"},{"binary_name":"libtiff-doc","binary_version":"4.3.0-6ubuntu0.6"},{"binary_name":"libtiff-opengl","binary_version":"4.3.0-6ubuntu0.6"},{"binary_name":"libtiff-opengl-dbgsym","binary_version":"4.3.0-6ubuntu0.6"},{"binary_name":"libtiff-tools","binary_version":"4.3.0-6ubuntu0.6"},{"binary_name":"libtiff-tools-dbgsym","binary_version":"4.3.0-6ubuntu0.6"},{"binary_name":"libtiff5","binary_version":"4.3.0-6ubuntu0.6"},{"binary_name":"libtiff5-dbgsym","binary_version":"4.3.0-6ubuntu0.6"},{"binary_name":"libtiff5-dev","binary_version":"4.3.0-6ubuntu0.6"},{"binary_name":"libtiffxx5","binary_version":"4.3.0-6ubuntu0.6"},{"binary_name":"libtiffxx5-dbgsym","binary_version":"4.3.0-6ubuntu0.6"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-18768.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}