{"id":"UBUNTU-CVE-2019-10856","details":"In Jupyter Notebook before 5.7.8, an open redirect can occur via an empty netloc. This issue exists because of an incomplete fix for CVE-2019-10255.","modified":"2026-01-30T02:01:53.735123Z","published":"2019-04-04T16:29:00Z","related":["USN-5585-1"],"upstream":["CVE-2019-10856"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-10856"},{"type":"REPORT","url":"https://blog.jupyter.org/open-redirect-vulnerability-in-jupyter-jupyterhub-adf43583f1e4"},{"type":"REPORT","url":"https://github.com/jupyter/notebook/commit/979e0bd15e794ceb00cc63737fcd5fd9addc4a99"},{"type":"REPORT","url":"https://github.com/jupyter/notebook/compare/16cf97c...b8e30ea"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5585-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-10856"}],"affected":[{"package":{"name":"jupyter-notebook","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/jupyter-notebook@5.2.2-1ubuntu0.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.2-1ubuntu0.1"}]}],"versions":["4.2.3-4","5.1.0-2","5.2.1-2","5.2.2-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"5.2.2-1ubuntu0.1","binary_name":"jupyter-notebook"},{"binary_version":"5.2.2-1ubuntu0.1","binary_name":"python-notebook"},{"binary_version":"5.2.2-1ubuntu0.1","binary_name":"python3-notebook"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-10856.json"}},{"package":{"name":"jupyter-notebook","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/jupyter-notebook@6.0.3-2ubuntu0.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0.3-2ubuntu0.1"}]}],"versions":["5.7.8-1","6.0.0-1","6.0.0-2","6.0.2-1","6.0.3-1","6.0.3-2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"6.0.3-2ubuntu0.1","binary_name":"jupyter-notebook"},{"binary_version":"6.0.3-2ubuntu0.1","binary_name":"python3-notebook"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-10856.json"}},{"package":{"name":"jupyter-notebook","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/jupyter-notebook@6.4.8-1ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.8-1ubuntu0.1"}]}],"versions":["6.2.0-1","6.4.5-2","6.4.5-3","6.4.5-4","6.4.8-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"6.4.8-1ubuntu0.1","binary_name":"jupyter-notebook"},{"binary_version":"6.4.8-1ubuntu0.1","binary_name":"python3-notebook"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-10856.json"}},{"package":{"name":"jupyter-notebook","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/jupyter-notebook@6.4.12-2.2ubuntu1+esm1?arch=source&distro=esm-apps/noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.4.12-2.2","6.4.12-2.2ubuntu1","6.4.12-2.2ubuntu1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.4.12-2.2ubuntu1+esm1","binary_name":"jupyter-notebook"},{"binary_version":"6.4.12-2.2ubuntu1+esm1","binary_name":"python3-notebook"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-10856.json"}},{"package":{"name":"jupyter-notebook","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/jupyter-notebook@6.4.13-5ubuntu0.1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.4.13-5","6.4.13-5ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.4.13-5ubuntu0.1","binary_name":"jupyter-notebook"},{"binary_version":"6.4.13-5ubuntu0.1","binary_name":"python3-notebook"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2019/UBUNTU-CVE-2019-10856.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}