{"id":"USN-5438-1","summary":"htmldoc vulnerability","details":"It was discovered that HTMLDOC did not properly manage memory under certain\ncircumstances. If a user were tricked into opening a specially crafted HTML\nfile, a remote attacker could possibly use this issue to cause HTMLDOC to\ncrash, resulting in a denial of service, or possibly execute arbitrary code.\n","modified":"2026-02-10T04:42:37Z","published":"2022-05-23T22:20:37Z","related":["UBUNTU-CVE-2021-23165"],"upstream":["CVE-2021-23165","UBUNTU-CVE-2021-23165"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5438-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-23165"}],"affected":[{"package":{"name":"htmldoc","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/htmldoc@1.9.2-1ubuntu0.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-1ubuntu0.2"}]}],"versions":["1.8.27-8ubuntu2","1.8.27-8ubuntu3","1.9.2-1","1.9.2-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.9.2-1ubuntu0.2","binary_name":"htmldoc"},{"binary_version":"1.9.2-1ubuntu0.2","binary_name":"htmldoc-common"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-23165","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5438-1.json"}},{"package":{"name":"htmldoc","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/htmldoc@1.9.7-1ubuntu0.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.7-1ubuntu0.3"}]}],"versions":["1.9.3-1","1.9.7-1","1.9.7-1build1","1.9.7-1ubuntu0.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.9.7-1ubuntu0.3","binary_name":"htmldoc"},{"binary_version":"1.9.7-1ubuntu0.3","binary_name":"htmldoc-common"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2021-23165","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5438-1.json"}}],"schema_version":"1.7.3"}