{"id":"USN-5701-1","summary":"jinja2 vulnerability","details":"Yeting Li discovered that Jinja2 incorrectly handled certain inputs.\nAn attacker could possibly use this issue to cause a denial of service.\n","modified":"2026-02-10T04:42:49Z","published":"2022-10-26T13:36:52Z","related":["UBUNTU-CVE-2020-28493"],"upstream":["CVE-2020-28493","UBUNTU-CVE-2020-28493"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5701-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-28493"}],"affected":[{"package":{"name":"jinja2","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/jinja2@2.8-1ubuntu0.1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8-1ubuntu0.1+esm1"}]}],"versions":["2.8-1","2.8-1ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_name":"python-jinja2","binary_version":"2.8-1ubuntu0.1+esm1"},{"binary_name":"python3-jinja2","binary_version":"2.8-1ubuntu0.1+esm1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-28493","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"low"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5701-1.json"}}],"schema_version":"1.7.3"}