{"id":"UBUNTU-CVE-2026-50003","details":"A malicious or compromised server can make a DCMTK client using bit-preserving C-GET storage mode write files outside the chosen output directory, using both relative (../) paths and absolute paths.","modified":"2026-07-01T23:41:17.849207065Z","published":"2026-06-30T22:16:00Z","upstream":["CVE-2026-50003"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-50003"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-50003"},{"type":"REPORT","url":"https://github.com/DCMTK/dcmtk/releases/tag/latest"},{"type":"REPORT","url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-181-01.json"},{"type":"REPORT","url":"https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-181-01"}],"affected":[{"package":{"name":"dcmtk","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/dcmtk?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.0-15.1","3.6.1~20150629-5","3.6.1~20150924-4","3.6.1~20150924-5","3.6.1~20150924-5ubuntu0.1~esm1","3.6.1~20150924-5ubuntu0.1~esm2","3.6.1~20150924-5ubuntu0.1~esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"dcmtk","binary_version":"3.6.1~20150924-5ubuntu0.1~esm3"},{"binary_name":"libdcmtk5","binary_version":"3.6.1~20150924-5ubuntu0.1~esm3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50003.json"}},{"package":{"name":"dcmtk","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/dcmtk?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.2-2","3.6.2-2build1","3.6.2-3","3.6.2-3build1","3.6.2-3build2","3.6.2-3build3","3.6.2-3ubuntu0.1~esm1","3.6.2-3ubuntu0.1~esm2","3.6.2-3ubuntu0.1~esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"dcmtk","binary_version":"3.6.2-3ubuntu0.1~esm3"},{"binary_version":"3.6.2-3ubuntu0.1~esm3","binary_name":"libdcmtk12"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50003.json"}},{"package":{"name":"dcmtk","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/dcmtk?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.4-2.1","3.6.4-2.1build1","3.6.4-2.1build2","3.6.4-2.1ubuntu0.1~esm1","3.6.4-2.1ubuntu0.1","3.6.4-2.1ubuntu0.1+esm1","3.6.4-2.1ubuntu0.2","3.6.4-2.1ubuntu0.2+esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"dcmtk","binary_version":"3.6.4-2.1ubuntu0.2+esm1"},{"binary_name":"libdcmtk14","binary_version":"3.6.4-2.1ubuntu0.2+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50003.json"}},{"package":{"name":"dcmtk","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/dcmtk?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.5-1","3.6.6-3ubuntu1","3.6.6-3ubuntu2","3.6.6-4","3.6.6-5","3.6.6-5ubuntu0.1~esm1","3.6.6-5ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"dcmtk","binary_version":"3.6.6-5ubuntu0.1~esm2"},{"binary_version":"3.6.6-5ubuntu0.1~esm2","binary_name":"libdcmtk16"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50003.json"}},{"package":{"name":"dcmtk","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/dcmtk?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.7-9","3.6.7-9.1build2","3.6.7-9.1build3","3.6.7-9.1build4","3.6.7-9.1ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"dcmtk","binary_version":"3.6.7-9.1ubuntu0.1~esm1"},{"binary_name":"libdcmtk17t64","binary_version":"3.6.7-9.1ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50003.json"}},{"package":{"name":"dcmtk","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/dcmtk?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.9-4","3.6.9-5","3.6.9-5build1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.6.9-5build1","binary_name":"dcmtk"},{"binary_name":"dcmtk-data","binary_version":"3.6.9-5build1"},{"binary_name":"libdcmtk19","binary_version":"3.6.9-5build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50003.json"}},{"package":{"name":"dcmtk","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/dcmtk?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.6.9-5build1","3.6.9-6","3.7.0+really3.6.9-1"],"ecosystem_specific":{"binaries":[{"binary_name":"dcmtk","binary_version":"3.7.0+really3.6.9-1"},{"binary_name":"dcmtk-data","binary_version":"3.7.0+really3.6.9-1"},{"binary_version":"3.7.0+really3.6.9-1","binary_name":"libdcmtk19"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices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