{"id":"UBUNTU-CVE-2018-18557","details":"LibTIFF 3.9.3, 3.9.4, 3.9.5, 3.9.6, 3.9.7, 4.0.0alpha4, 4.0.0alpha5, 4.0.0alpha6, 4.0.0beta7, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.4beta, 4.0.5, 4.0.6, 4.0.7, 4.0.8 and 4.0.9 (with JBIG enabled) decodes arbitrarily-sized JBIG into a buffer, ignoring the buffer size, which leads to a tif_jbig.c JBIGDecode out-of-bounds write.","modified":"2026-02-04T04:04:51.714338Z","published":"2018-10-22T00:00:00Z","related":["USN-3864-1","USN-3906-2"],"upstream":["CVE-2018-18557"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-18557"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3864-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-3906-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2018-18557"}],"affected":[{"package":{"name":"tiff","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/tiff@4.0.3-7ubuntu0.10?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.3-7ubuntu0.10"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"4.0.3-7ubuntu0.10","binary_name":"libtiff-opengl"},{"binary_version":"4.0.3-7ubuntu0.10","binary_name":"libtiff-tools"},{"binary_version":"4.0.3-7ubuntu0.10","binary_name":"libtiff4-dev"},{"binary_version":"4.0.3-7ubuntu0.10","binary_name":"libtiff5"},{"binary_version":"4.0.3-7ubuntu0.10","binary_name":"libtiff5-alt-dev"},{"binary_version":"4.0.3-7ubuntu0.10","binary_name":"libtiff5-dev"},{"binary_version":"4.0.3-7ubuntu0.10","binary_name":"libtiffxx5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18557.json"}},{"package":{"name":"tiff","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/tiff@4.0.6-1ubuntu0.5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.6-1ubuntu0.5"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"4.0.6-1ubuntu0.5","binary_name":"libtiff-opengl"},{"binary_version":"4.0.6-1ubuntu0.5","binary_name":"libtiff-tools"},{"binary_version":"4.0.6-1ubuntu0.5","binary_name":"libtiff5"},{"binary_version":"4.0.6-1ubuntu0.5","binary_name":"libtiff5-dev"},{"binary_version":"4.0.6-1ubuntu0.5","binary_name":"libtiffxx5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18557.json"}},{"package":{"name":"tiff","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/tiff@4.0.9-5ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.9-5ubuntu0.1"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"4.0.9-5ubuntu0.1","binary_name":"libtiff-dev"},{"binary_version":"4.0.9-5ubuntu0.1","binary_name":"libtiff-opengl"},{"binary_version":"4.0.9-5ubuntu0.1","binary_name":"libtiff-tools"},{"binary_version":"4.0.9-5ubuntu0.1","binary_name":"libtiff5"},{"binary_version":"4.0.9-5ubuntu0.1","binary_name":"libtiff5-dev"},{"binary_version":"4.0.9-5ubuntu0.1","binary_name":"libtiffxx5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18557.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}