{"id":"CVE-2026-3650","aliases":["DEBIAN-CVE-2026-3650","EUVD-2026-16450","GHSA-42p8-rv8p-8h4j","UBUNTU-CVE-2026-3650","openSUSE-SU-2026:11701-1"],"status":"published","title":"Grassroots DICOM Missing release of memory after effective lifetime","description":"A memory leak exists in the Grassroots DICOM library (GDCM). The bug occurs when parsing malformed DICOM files with non-standard VR types in file meta information. The vulnerability leads to vast memory allocations and resource depletion, triggering a denial-of-service condition. A maliciously crafted file can fill the heap in a single read operation without properly releasing it.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00359,"percentile":0.29968,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-401"],"published":"2026-03-26T21:10:30Z","modified":"2026-10-17T13:00:03Z","fixes":[{"ecosystem":"Debian:14","package":"gdcm","fixed_in":["3.0.24-11"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"insighttoolkit","fixed_in":["5.4.7-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.21-1","3.0.21-2","3.0.22-1","3.0.22-2","3.0.22-2.1","3.0.22-2.1~exp1","3.0.22-3","3.0.24-1","3.0.24-1+hurd.1","3.0.24-10","3.0.24-11","3.0.24-12","3.0.24-13","3.0.24-14","3.0.24-2","3.0.24-3","3.0.24-3+hurd.1","3.0.24-4","3.0.24-5","3.0.24-5+hurd.1","3.0.24-5+hurd.2","3.0.24-6","3.0.24-7","3.0.24-8","3.0.24-9"]},{"source":"osv","ecosystem":"Debian:13","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.24-10","3.0.24-11","3.0.24-12","3.0.24-13","3.0.24-14","3.0.24-5","3.0.24-5+hurd.1","3.0.24-5+hurd.2","3.0.24-6","3.0.24-7","3.0.24-8","3.0.24-9"]},{"source":"osv","ecosystem":"Debian:14","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.24-11"}]}],"versions":["3.0.24-10","3.0.24-5","3.0.24-5+hurd.1","3.0.24-5+hurd.2","3.0.24-6","3.0.24-7","3.0.24-8","3.0.24-9"]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.2.3-2ubuntu3","2.2.3-2ubuntu4","2.2.4-1.1ubuntu1","2.2.4-1.1ubuntu2","2.2.4-1.1ubuntu3","2.2.4-1.1ubuntu4","2.2.4-1.1ubuntu4+esm1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.4-4","2.4.4-4build1","2.4.4-4ubuntu1","2.6.1-3","2.6.2-1","2.6.2-2","2.6.2-3","2.6.3-1","2.6.3-1ubuntu1","2.6.3-2ubuntu1","2.6.3-3ubuntu1","2.6.3-3ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8.2-3build1","2.8.3-1","2.8.4-1","2.8.4-1build2"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.8.8-9ubuntu4","2.8.8-9ubuntu5","3.0.4-2","3.0.4-2build1","3.0.4-2ubuntu1","3.0.5-1ubuntu1","3.0.5-1.1ubuntu1","3.0.5-1.1ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.8-2","3.0.10-1","3.0.10-1build2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.21-2","3.0.22-1","3.0.22-2build1","3.0.22-2build2","3.0.22-2.1build1","3.0.22-2.1build2","3.0.22-2.1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.24-5ubuntu2","3.0.24-5ubuntu3"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.24-9ubuntu1","3.0.24-10","3.0.24-11","3.0.24-12ubuntu1","3.0.24-14"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"gdcm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.24-5ubuntu3","3.0.24-7ubuntu1","3.0.24-9","3.0.24-9ubuntu1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"insighttoolkit","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.7-1.1"}]}]}],"products":[{"vendor":"grassroots","product":"grassroots dicom (gdcm)"}],"references":[{"url":"https://sourceforge.net/projects/gdcm/","tags":["report"]},{"url":"https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-083-01","tags":["report"]},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-083-01.json","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-3650"},{"url":"https://sourceforge.net/projects/gdcm"},{"url":"https://github.com/advisories/GHSA-42p8-rv8p-8h4j"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-3650","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-3650","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-3650","tags":["report"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2451988","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2026-3650","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2026-3650","title":"Grassroots DICOM Missing release of memory after effective lifetime","description":"A memory leak exists in the Grassroots DICOM library (GDCM). The bug occurs when parsing malformed DICOM files with non-standard VR types in file meta information. The vulnerability leads to vast memory allocations and resource depletion, triggering a denial-of-service condition. A maliciously crafted file can fill the heap in a single read operation without properly releasing it.","status":"published","published":"2026-03-26T21:10:30.864Z","modified":"2026-03-27T19:39:21.092Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T13:49:09.229322Z"}],"euvd":[{"id":"EUVD-2026-16450","description":"A memory leak exists in the Grassroots DICOM library (GDCM). The bug occurs when parsing malformed DICOM files with non-standard VR types in file meta information. The vulnerability leads to vast memory allocations and resource depletion, triggering a denial-of-service condition. A maliciously crafted file can fill the heap in a single read operation without properly releasing it.","status":"published","published":"2026-03-26T21:10:30Z","modified":"2026-03-27T19:39:21Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:25:27.277964Z"}],"ghsa":[{"id":"GHSA-42p8-rv8p-8h4j","title":"A memory leak exists in the Grassroots DICOM library (GDCM). The bug occurs when parsing...","description":"A memory leak exists in the Grassroots DICOM library (GDCM). The bug occurs when parsing malformed DICOM files with non-standard VR types in file meta information. The vulnerability leads to vast memory allocations and resource depletion, triggering a denial-of-service condition. A maliciously crafted file can fill the heap in a single read operation without properly releasing it.","status":"published","published":"2026-03-27T00:31:21Z","modified":"2026-03-27T00:31:32Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T15:06:54.074781Z"}],"nvd":[{"id":"CVE-2026-3650","description":"A memory leak exists in the Grassroots DICOM library (GDCM). The bug occurs when parsing malformed DICOM files with non-standard VR types in file meta information. The vulnerability leads to vast memory allocations and resource depletion, triggering a denial-of-service condition. A maliciously crafted file can fill the heap in a single read operation without properly releasing it.","status":"published","published":"2026-03-26T22:16:31.37Z","modified":"2026-06-17T10:43:55.363Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-401"],"updated_at":"2026-11-02T14:12:11.678711Z"}],"osv":[{"id":"DEBIAN-CVE-2026-3650","description":"A memory leak exists in the Grassroots DICOM library (GDCM). The bug occurs when parsing malformed DICOM files with non-standard VR types in file meta information. The vulnerability leads to vast memory allocations and resource depletion, triggering a denial-of-service condition. A maliciously crafted file can fill the heap in a single read operation without properly releasing it.","status":"published","published":"2026-03-26T22:16:31.37Z","modified":"2026-10-01T03:03:22.859208468Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"}],"updated_at":"2026-11-02T15:45:54.587575Z"},{"id":"UBUNTU-CVE-2026-3650","description":"A memory leak exists in the Grassroots DICOM library (GDCM). The bug occurs when parsing malformed DICOM files with non-standard VR types in file meta information. The vulnerability leads to vast memory allocations and resource depletion, triggering a denial-of-service condition. A maliciously crafted file can fill the heap in a single read operation without properly releasing it.","status":"published","published":"2026-03-26T22:16:00Z","modified":"2026-10-17T13:00:03.632208555Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T16:56:16.686388Z"},{"id":"openSUSE-SU-2026:11701-1","title":"insighttoolkit-devel-5.4.7-1.1 on GA media","description":"These are all security issues fixed in the insighttoolkit-devel-5.4.7-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2026-09-07T00:00:00Z","modified":"2026-09-08T09:00:06.270062616Z","updated_at":"2026-11-02T16:58:39.516824Z"}]}}