{"id":"USN-7000-2","summary":"expat vulnerabilities","details":"USN-7000-1 fixed vulnerabilities in Expat. This update\nprovides the corresponding updates for Ubuntu 22.04 LTS.\n\nOriginal advisory details:\n\n Shang-Hung Wan discovered that Expat did not properly handle certain\n function calls when a negative input length was provided. An attacker\n could use this issue to cause a denial of service or possibly execute\n arbitrary code. (CVE-2024-45490)\n \n Shang-Hung Wan discovered that Expat did not properly handle the\n potential for an integer overflow on 32-bit platforms. An attacker\n could use this issue to cause a denial of service or possibly execute\n arbitrary code. (CVE-2024-45491, CVE-2024-45492)\n","modified":"2026-02-10T04:45:18Z","published":"2024-09-17T12:19:18Z","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-7000-2"},{"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:22.04:LTS","purl":"pkg:deb/ubuntu/expat@2.4.7-1ubuntu0.4?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-1ubuntu0.4"}]}],"versions":["2.4.1-2","2.4.1-3","2.4.2-1","2.4.3-1","2.4.3-2","2.4.4-1","2.4.6-1","2.4.7-1","2.4.7-1ubuntu0.1","2.4.7-1ubuntu0.2","2.4.7-1ubuntu0.3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"expat","binary_version":"2.4.7-1ubuntu0.4"},{"binary_name":"libexpat1","binary_version":"2.4.7-1ubuntu0.4"},{"binary_name":"libexpat1-dev","binary_version":"2.4.7-1ubuntu0.4"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04: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"},{"type":"Ubuntu","score":"medium"}]},{"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-7000-2.json"}}],"schema_version":"1.7.3"}