{"id":"USN-7001-1","summary":"libxmltok vulnerabilities","details":"Shang-Hung Wan discovered that Expat, contained within the xmltok library,\ndid not properly handle certain function calls when a negative input length\nwas provided. An attacker could use this issue to cause a denial of service\nor possibly execute arbitrary code. (CVE-2024-45490)\n\nShang-Hung Wan discovered that Expat, contained within the xmltok library,\ndid not properly handle the potential for an integer overflow on 32-bit\nplatforms. An attacker could use this issue to cause a denial of service or\npossibly execute arbitrary code. (CVE-2024-45491)\n","modified":"2026-05-20T16:06:12.613648936Z","published":"2024-09-12T10:20:05Z","related":["UBUNTU-CVE-2024-45490","UBUNTU-CVE-2024-45491"],"upstream":["CVE-2024-45490","CVE-2024-45491","UBUNTU-CVE-2024-45490","UBUNTU-CVE-2024-45491"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7001-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-45490"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-45491"}],"affected":[{"package":{"name":"libxmltok","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libxmltok?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2-3ubuntu0.16.04.1~esm4"}]}],"versions":["1.2-3build3","1.2-3ubuntu0.16.04.1~esm1","1.2-3ubuntu0.16.04.1~esm2","1.2-3ubuntu0.16.04.1~esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2-3ubuntu0.16.04.1~esm4","binary_name":"libxmltok1"}],"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/usn/USN-7001-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"libxmltok","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/libxmltok?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2-4ubuntu0.18.04.1~esm3"}]}],"versions":["1.2-4","1.2-4ubuntu0.18.04.1~esm1","1.2-4ubuntu0.18.04.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2-4ubuntu0.18.04.1~esm3","binary_name":"libxmltok1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7001-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"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-2024-45490"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-45491"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"libxmltok","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/libxmltok?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2-4ubuntu0.20.04.1~esm3"}]}],"versions":["1.2-4","1.2-4ubuntu0.20.04.1~esm1","1.2-4ubuntu0.20.04.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2-4ubuntu0.20.04.1~esm3","binary_name":"libxmltok1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7001-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"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-2024-45490"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-45491"}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}},{"package":{"name":"libxmltok","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/libxmltok?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2-4ubuntu0.22.04.1~esm3"}]}],"versions":["1.2-4","1.2-4ubuntu0.22.04.1~esm1","1.2-4ubuntu0.22.04.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2-4ubuntu0.22.04.1~esm3","binary_name":"libxmltok1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7001-1.json","cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"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-2024-45490"},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2024-45491"}],"ecosystem":"Ubuntu:Pro:22.04:LTS"}}}],"schema_version":"1.7.5"}