{"id":"USN-5438-2","summary":"htmldoc vulnerability","details":"USN-5438-1 fixed a vulnerability in HTMLDOC. This update provides the\ncorresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n It was discovered that HTMLDOC did not properly manage memory under certain\n circumstances. If a user were tricked into opening a specially crafted HTML\n file, a remote attacker could possibly use this issue to cause HTMLDOC to\n crash, resulting in a denial of service, or possibly execute arbitrary code.\n","modified":"2026-05-20T16:05:41.921467872Z","published":"2022-05-24T20:02:41Z","related":["UBUNTU-CVE-2021-23165"],"upstream":["CVE-2021-23165","UBUNTU-CVE-2021-23165"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5438-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-23165"}],"affected":[{"package":{"name":"htmldoc","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/htmldoc?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.27-8ubuntu1+esm2"}]}],"versions":["1.8.27-8ubuntu1","1.8.27-8ubuntu1+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1.8.27-8ubuntu1+esm2","binary_name":"htmldoc"},{"binary_version":"1.8.27-8ubuntu1+esm2","binary_name":"htmldoc-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5438-2.json","cves_map":{"cves":[{"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"}],"id":"CVE-2021-23165"}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"htmldoc","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/htmldoc?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.27-8ubuntu1.1+esm1"}]}],"versions":["1.8.27-8ubuntu1","1.8.27-8ubuntu1.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_version":"1.8.27-8ubuntu1.1+esm1","binary_name":"htmldoc"},{"binary_version":"1.8.27-8ubuntu1.1+esm1","binary_name":"htmldoc-common"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5438-2.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}}],"schema_version":"1.7.5"}