{"id":"UBUNTU-CVE-2021-40985","details":"A stack-based buffer under-read in htmldoc before 1.9.12, allows attackers to cause a denial of service via a crafted BMP image to image_load_bmp.","modified":"2026-02-04T03:09:20.777366Z","published":"2021-11-03T17:15:00Z","related":["USN-7189-1"],"upstream":["CVE-2021-40985"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-40985"},{"type":"REPORT","url":"https://github.com/michaelrsweet/htmldoc/issues/444"},{"type":"REPORT","url":"https://github.com/michaelrsweet/htmldoc/commit/f12b9666e582a8e7b70f11b28e5ffc49ad625d43"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-40985"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7189-1"}],"affected":[{"package":{"name":"htmldoc","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/htmldoc@1.8.27-8ubuntu1+esm3?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.27-8ubuntu1+esm3"}]}],"versions":["1.8.27-8ubuntu1","1.8.27-8ubuntu1+esm1","1.8.27-8ubuntu1+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.8.27-8ubuntu1+esm3","binary_name":"htmldoc"},{"binary_version":"1.8.27-8ubuntu1+esm3","binary_name":"htmldoc-common"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40985.json"}},{"package":{"name":"htmldoc","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/htmldoc@1.8.27-8ubuntu1.1+esm2?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.8.27-8ubuntu1.1+esm2"}]}],"versions":["1.8.27-8ubuntu1","1.8.27-8ubuntu1.1","1.8.27-8ubuntu1.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.8.27-8ubuntu1.1+esm2","binary_name":"htmldoc"},{"binary_version":"1.8.27-8ubuntu1.1+esm2","binary_name":"htmldoc-common"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40985.json"}},{"package":{"name":"htmldoc","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/htmldoc@1.9.2-1ubuntu0.2+esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.2-1ubuntu0.2+esm1"}]}],"versions":["1.8.27-8ubuntu2","1.8.27-8ubuntu3","1.9.2-1","1.9.2-1ubuntu0.1","1.9.2-1ubuntu0.2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.9.2-1ubuntu0.2+esm1","binary_name":"htmldoc"},{"binary_version":"1.9.2-1ubuntu0.2+esm1","binary_name":"htmldoc-common"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40985.json"}},{"package":{"name":"htmldoc","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/htmldoc@1.9.7-1ubuntu0.3+esm1?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.7-1ubuntu0.3+esm1"}]}],"versions":["1.9.3-1","1.9.7-1","1.9.7-1build1","1.9.7-1ubuntu0.2","1.9.7-1ubuntu0.3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.9.7-1ubuntu0.3+esm1","binary_name":"htmldoc"},{"binary_version":"1.9.7-1ubuntu0.3+esm1","binary_name":"htmldoc-common"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40985.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}