{"id":"UBUNTU-CVE-2026-105221","details":"(The gist RubyGem before 6.1.0 contains an improper certificate validat ...)","modified":"2026-10-06T10:47:29.866936886Z","published":"2026-10-05T00:00:00Z","upstream":["CVE-2026-105221"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-105221"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-105221"}],"affected":[{"package":{"name":"gist","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/gist?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.4.2-1","4.5.0-1","4.5.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"gist","binary_version":"4.5.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105221.json"}},{"package":{"name":"gist","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/gist?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.6.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"gist","binary_version":"4.6.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105221.json"}},{"package":{"name":"gist","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/gist?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.0-2","5.0.0-3","5.0.0-4","5.0.0-4ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"gist","binary_version":"5.0.0-4ubuntu1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105221.json"}},{"package":{"name":"gist","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/gist?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.0-2"],"ecosystem_specific":{"binaries":[{"binary_version":"6.0.0-2","binary_name":"gist"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105221.json"}},{"package":{"name":"gist","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/gist?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.0-3"],"ecosystem_specific":{"binaries":[{"binary_name":"gist","binary_version":"6.0.0-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105221.json"}},{"package":{"name":"gist","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/gist?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0.0-3","6.0.0-3build1"],"ecosystem_specific":{"binaries":[{"binary_version":"6.0.0-3build1","binary_name":"gist"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105221.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}