{"id":"USN-5638-4","summary":"expat vulnerabilities","details":"USN-5638-1 fixed several vulnerabilities in Expat. This update provides\nthe corresponding update for Ubuntu 14.04 ESM.\n\nOriginal advisory details:\n\n Rhodri James discovered that Expat incorrectly handled memory when\n processing certain malformed XML files. An attacker could possibly\n use this issue to cause a crash or execute arbitrary code.\n","modified":"2026-06-29T13:49:42.120781819Z","published":"2023-02-28T15:19:01Z","related":["UBUNTU-CVE-2022-40674","UBUNTU-CVE-2022-43680"],"upstream":["CVE-2022-40674","CVE-2022-43680","UBUNTU-CVE-2022-40674","UBUNTU-CVE-2022-43680"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5638-4"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-40674"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-43680"}],"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+esm7"}]}],"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"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"expat","binary_version":"2.1.0-4ubuntu1.4+esm7"},{"binary_name":"lib64expat1","binary_version":"2.1.0-4ubuntu1.4+esm7"},{"binary_name":"libexpat1","binary_version":"2.1.0-4ubuntu1.4+esm7"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[{"id":"CVE-2022-40674","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2022-43680","severity":[{"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":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5638-4.json"}}],"schema_version":"1.7.5"}