{"id":"USN-7000-1","summary":"expat vulnerabilities","details":"Shang-Hung Wan discovered that Expat did not properly handle certain\nfunction calls when a negative input length was provided. An attacker\ncould use this issue to cause a denial of service or possibly execute\narbitrary code. (CVE-2024-45490)\n\nShang-Hung Wan discovered that Expat did not properly handle the\npotential for an integer overflow on 32-bit platforms. An attacker\ncould use this issue to cause a denial of service or possibly execute\narbitrary code. (CVE-2024-45491, CVE-2024-45492)\n","modified":"2026-06-29T13:49:31.630176697Z","published":"2024-09-12T10:01:43Z","related":["UBUNTU-CVE-2024-45490","UBUNTU-CVE-2024-45491","UBUNTU-CVE-2024-45492"],"upstream":["CVE-2024-45490","CVE-2024-45491","CVE-2024-45492","UBUNTU-CVE-2024-45490","UBUNTU-CVE-2024-45491","UBUNTU-CVE-2024-45492"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7000-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-45490"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-45491"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-45492"}],"affected":[{"package":{"name":"expat","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/expat?arch=source&distro=trusty%2Fesm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-4ubuntu1.4+esm9"}]}],"versions":["2.1.0-4","2.1.0-4ubuntu1","2.1.0-4ubuntu1.1","2.1.0-4ubuntu1.2","2.1.0-4ubuntu1.3","2.1.0-4ubuntu1.4","2.1.0-4ubuntu1.4+esm1","2.1.0-4ubuntu1.4+esm2","2.1.0-4ubuntu1.4+esm4","2.1.0-4ubuntu1.4+esm6","2.1.0-4ubuntu1.4+esm7","2.1.0-4ubuntu1.4+esm8"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.0-4ubuntu1.4+esm9","binary_name":"expat"},{"binary_name":"lib64expat1","binary_version":"2.1.0-4ubuntu1.4+esm9"},{"binary_name":"libexpat1","binary_version":"2.1.0-4ubuntu1.4+esm9"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2024-45490","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"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"}]},{"severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"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-2024-45491"},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2024-45492"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7000-1.json"}},{"package":{"name":"expat","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/expat?arch=source&distro=esm-infra%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-7ubuntu0.16.04.5+esm9"}]}],"versions":["2.1.0-7","2.1.0-7ubuntu0.16.04.1","2.1.0-7ubuntu0.16.04.2","2.1.0-7ubuntu0.16.04.3","2.1.0-7ubuntu0.16.04.4","2.1.0-7ubuntu0.16.04.5","2.1.0-7ubuntu0.16.04.5+esm2","2.1.0-7ubuntu0.16.04.5+esm5","2.1.0-7ubuntu0.16.04.5+esm6","2.1.0-7ubuntu0.16.04.5+esm7","2.1.0-7ubuntu0.16.04.5+esm8"],"ecosystem_specific":{"binaries":[{"binary_name":"expat","binary_version":"2.1.0-7ubuntu0.16.04.5+esm9"},{"binary_version":"2.1.0-7ubuntu0.16.04.5+esm9","binary_name":"lib64expat1"},{"binary_version":"2.1.0-7ubuntu0.16.04.5+esm9","binary_name":"libexpat1"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2024-45490","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":"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-2024-45491","severity":[{"type":"CVSS_V3","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"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"medium"}],"id":"CVE-2024-45492"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7000-1.json"}},{"package":{"name":"expat","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/expat?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.5-3ubuntu0.9+esm1"}]}],"versions":["2.2.3-1","2.2.3-2","2.2.5-0ubuntu2","2.2.5-3","2.2.5-3ubuntu0.1","2.2.5-3ubuntu0.2","2.2.5-3ubuntu0.4","2.2.5-3ubuntu0.7","2.2.5-3ubuntu0.8","2.2.5-3ubuntu0.9"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"expat","binary_version":"2.2.5-3ubuntu0.9+esm1"},{"binary_name":"libexpat1","binary_version":"2.2.5-3ubuntu0.9+esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","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"},{"id":"CVE-2024-45491","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},{"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-2024-45492","severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7000-1.json"}},{"package":{"name":"expat","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/expat?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.9-1ubuntu0.7"}]}],"versions":["2.2.7-2","2.2.9-1","2.2.9-1build1","2.2.9-1ubuntu0.2","2.2.9-1ubuntu0.4","2.2.9-1ubuntu0.5","2.2.9-1ubuntu0.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.2.9-1ubuntu0.7","binary_name":"expat"},{"binary_name":"libexpat1","binary_version":"2.2.9-1ubuntu0.7"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2024-45490","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"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"}]},{"id":"CVE-2024-45491","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"},{"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-2024-45492","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"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7000-1.json"}},{"package":{"name":"expat","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/expat?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1-2ubuntu0.1"}]}],"versions":["2.5.0-2","2.6.0-1","2.6.1-2","2.6.1-2build1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.6.1-2ubuntu0.1","binary_name":"expat"},{"binary_name":"libexpat1","binary_version":"2.6.1-2ubuntu0.1"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","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":"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-2024-45490"},{"id":"CVE-2024-45491","severity":[{"type":"CVSS_V3","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"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2024-45492","severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7000-1.json"}}],"schema_version":"1.7.5"}