{"id":"UBUNTU-CVE-2026-2219","details":"It was discovered that dpkg-deb (a component of dpkg, the Debian package management system) does not properly validate the end of the data stream when uncompressing a zstd-compressed .deb archive, which may result in denial of service (infinite loop spinning the CPU).","modified":"2026-05-08T13:26:08.075003Z","published":"2026-03-07T09:16:00Z","related":["USN-8249-1"],"upstream":["CVE-2026-2219"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-2219"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-2219"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8249-1"}],"affected":[{"package":{"name":"dpkg","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/dpkg@1.22.6ubuntu6.6?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.6ubuntu6.6"}]}],"versions":["1.22.0ubuntu1","1.22.1ubuntu2","1.22.1ubuntu3","1.22.1ubuntu5","1.22.2ubuntu2","1.22.4ubuntu3","1.22.4ubuntu5","1.22.6ubuntu5","1.22.6ubuntu6","1.22.6ubuntu6.1","1.22.6ubuntu6.2","1.22.6ubuntu6.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dpkg","binary_version":"1.22.6ubuntu6.6"},{"binary_name":"dselect","binary_version":"1.22.6ubuntu6.6"},{"binary_name":"libdpkg-perl","binary_version":"1.22.6ubuntu6.6"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2219.json"}},{"package":{"name":"dpkg","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/dpkg@1.22.21ubuntu3.2?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.22.21ubuntu3.2"}]}],"versions":["1.22.18ubuntu2","1.22.18ubuntu3","1.22.21ubuntu1","1.22.21ubuntu3","1.22.21ubuntu3.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dpkg","binary_version":"1.22.21ubuntu3.2"},{"binary_name":"dselect","binary_version":"1.22.21ubuntu3.2"},{"binary_name":"libdpkg-perl","binary_version":"1.22.21ubuntu3.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-2219.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}