{"id":"USN-5638-1","summary":"expat vulnerability","details":"Rhodri James discovered that Expat incorrectly handled memory when\nprocessing certain malformed XML files. An attacker could possibly\nuse this issue to cause a crash or execute arbitrary code.\n","modified":"2026-02-10T04:42:47Z","published":"2022-09-26T14:19:17Z","related":["UBUNTU-CVE-2022-40674"],"upstream":["CVE-2022-40674","UBUNTU-CVE-2022-40674"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5638-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-40674"}],"affected":[{"package":{"name":"expat","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/expat@2.1.0-7ubuntu0.16.04.5+esm6?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-7ubuntu0.16.04.5+esm6"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"expat","binary_version":"2.1.0-7ubuntu0.16.04.5+esm6"},{"binary_name":"lib64expat1","binary_version":"2.1.0-7ubuntu0.16.04.5+esm6"},{"binary_name":"lib64expat1-dev","binary_version":"2.1.0-7ubuntu0.16.04.5+esm6"},{"binary_name":"libexpat1","binary_version":"2.1.0-7ubuntu0.16.04.5+esm6"},{"binary_name":"libexpat1-dev","binary_version":"2.1.0-7ubuntu0.16.04.5+esm6"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2022-40674"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5638-1.json"}}],"schema_version":"1.7.3"}