{"id":"USN-6358-1","summary":"ruby-redcloth vulnerability","details":"It was discovered that RedCloth incorrectly handled certain inputs during\nhtml sanitisation. An attacker could possibly use this issue to cause a\ndenial of service.\n","modified":"2026-06-25T13:32:18.758227792Z","published":"2023-09-12T06:54:45Z","related":["UBUNTU-CVE-2023-31606"],"upstream":["CVE-2023-31606","UBUNTU-CVE-2023-31606"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6358-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-31606"}],"affected":[{"package":{"name":"ruby-redcloth","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/ruby-redcloth?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.9-5ubuntu0.1~esm1"}]}],"versions":["4.2.9-5build1","4.2.9-5build2","4.2.9-5build3","4.2.9-5build4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"4.2.9-5ubuntu0.1~esm1","binary_name":"ruby-redcloth"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2023-31606","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6358-1.json"}},{"package":{"name":"ruby-redcloth","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/ruby-redcloth?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.2-3ubuntu0.1~esm1"}]}],"versions":["4.3.2-2","4.3.2-3","4.3.2-3build1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.3.2-3ubuntu0.1~esm1","binary_name":"ruby-redcloth"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6358-1.json","cves_map":{"cves":[{"id":"CVE-2023-31606","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"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"ruby-redcloth","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/ruby-redcloth?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.2-3+deb10u1build0.20.04.1"}]}],"versions":["4.3.2-3build1","4.3.2-3build2"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-redcloth","binary_version":"4.3.2-3+deb10u1build0.20.04.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2023-31606","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"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6358-1.json"}},{"package":{"name":"ruby-redcloth","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/ruby-redcloth?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.2-4ubuntu0.22.04.1"}]}],"versions":["4.3.2-3build2","4.3.2-3build3","4.3.2-4"],"ecosystem_specific":{"binaries":[{"binary_name":"ruby-redcloth","binary_version":"4.3.2-4ubuntu0.22.04.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"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"}],"id":"CVE-2023-31606"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6358-1.json"}}],"schema_version":"1.7.5"}