{"id":"USN-5625-1","summary":"mako vulnerability","details":"It was discovered that Mako incorrectly handled certain regular expressions.\nAn attacker could possibly use this issue to cause a denial of service.\n","modified":"2026-02-10T04:42:47Z","published":"2022-09-21T10:39:16Z","related":["UBUNTU-CVE-2022-40023"],"upstream":["CVE-2022-40023","UBUNTU-CVE-2022-40023"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5625-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-40023"}],"affected":[{"package":{"name":"mako","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/mako@1.0.3+ds1-1ubuntu1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.3+ds1-1ubuntu1+esm1"}]}],"versions":["1.0.2+ds1-1","1.0.3+ds1-1","1.0.3+ds1-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.3+ds1-1ubuntu1+esm1","binary_name":"python-mako"},{"binary_version":"1.0.3+ds1-1ubuntu1+esm1","binary_name":"python3-mako"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-40023"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5625-1.json"}},{"package":{"name":"mako","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/mako@1.0.7+ds1-1ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.7+ds1-1ubuntu0.2"}]}],"versions":["1.0.7+ds1-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.7+ds1-1ubuntu0.2","binary_name":"python-mako"},{"binary_version":"1.0.7+ds1-1ubuntu0.2","binary_name":"python3-mako"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-40023"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5625-1.json"}},{"package":{"name":"mako","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/mako@1.1.0+ds1-1ubuntu2.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.0+ds1-1ubuntu2.1"}]}],"versions":["1.0.7+ds1-1","1.1.0+ds1-1","1.1.0+ds1-1ubuntu1","1.1.0+ds1-1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.0+ds1-1ubuntu2.1","binary_name":"python-mako"},{"binary_version":"1.1.0+ds1-1ubuntu2.1","binary_name":"python3-mako"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-40023"}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5625-1.json"}},{"package":{"name":"mako","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/mako@1.1.3+ds1-2ubuntu0.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.1.3+ds1-2ubuntu0.1"}]}],"versions":["1.1.3+ds1-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.3+ds1-2ubuntu0.1","binary_name":"python3-mako"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-40023"}],"ecosystem":"Ubuntu:22.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5625-1.json"}}],"schema_version":"1.7.3"}