{"id":"USN-7145-1","summary":"expat vulnerability","details":"It was discovered that Expat did not properly handle its internal state\nwhen attempting to resume an unstarted parser. An attacker could use this\nissue to cause a denial of service (application crash).\n","modified":"2026-02-10T04:45:56Z","published":"2024-12-10T01:42:55Z","related":["UBUNTU-CVE-2024-50602"],"upstream":["CVE-2024-50602","UBUNTU-CVE-2024-50602"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7145-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-50602"}],"affected":[{"package":{"name":"expat","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/expat@2.1.0-4ubuntu1.4+esm10?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-4ubuntu1.4+esm10"}]}],"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","2.1.0-4ubuntu1.4+esm9"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.0-4ubuntu1.4+esm10","binary_name":"expat"},{"binary_version":"2.1.0-4ubuntu1.4+esm10","binary_name":"lib64expat1"},{"binary_version":"2.1.0-4ubuntu1.4+esm10","binary_name":"lib64expat1-dev"},{"binary_version":"2.1.0-4ubuntu1.4+esm10","binary_name":"libexpat1"},{"binary_version":"2.1.0-4ubuntu1.4+esm10","binary_name":"libexpat1-dev"}],"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-7145-1.json","cves_map":{"cves":[{"id":"CVE-2024-50602","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"expat","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/expat@2.1.0-7ubuntu0.16.04.5+esm10?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.0-7ubuntu0.16.04.5+esm10"}]}],"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","2.1.0-7ubuntu0.16.04.5+esm9"],"ecosystem_specific":{"binaries":[{"binary_version":"2.1.0-7ubuntu0.16.04.5+esm10","binary_name":"expat"},{"binary_version":"2.1.0-7ubuntu0.16.04.5+esm10","binary_name":"lib64expat1"},{"binary_version":"2.1.0-7ubuntu0.16.04.5+esm10","binary_name":"lib64expat1-dev"},{"binary_version":"2.1.0-7ubuntu0.16.04.5+esm10","binary_name":"libexpat1"},{"binary_version":"2.1.0-7ubuntu0.16.04.5+esm10","binary_name":"libexpat1-dev"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7145-1.json","cves_map":{"cves":[{"id":"CVE-2024-50602","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"expat","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/expat@2.2.5-3ubuntu0.9+esm2?arch=source&distro=esm-infra/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.5-3ubuntu0.9+esm2"}]}],"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","2.2.5-3ubuntu0.9+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.5-3ubuntu0.9+esm2","binary_name":"expat"},{"binary_version":"2.2.5-3ubuntu0.9+esm2","binary_name":"libexpat1"},{"binary_version":"2.2.5-3ubuntu0.9+esm2","binary_name":"libexpat1-dev"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7145-1.json","cves_map":{"cves":[{"id":"CVE-2024-50602","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:18.04:LTS"}}},{"package":{"name":"expat","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/expat@2.2.9-1ubuntu0.8?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.9-1ubuntu0.8"}]}],"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","2.2.9-1ubuntu0.7"],"ecosystem_specific":{"binaries":[{"binary_version":"2.2.9-1ubuntu0.8","binary_name":"expat"},{"binary_version":"2.2.9-1ubuntu0.8","binary_name":"libexpat1"},{"binary_version":"2.2.9-1ubuntu0.8","binary_name":"libexpat1-dev"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7145-1.json","cves_map":{"cves":[{"id":"CVE-2024-50602","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"expat","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/expat@2.4.7-1ubuntu0.5?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.4.7-1ubuntu0.5"}]}],"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","2.4.7-1ubuntu0.4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.7-1ubuntu0.5","binary_name":"expat"},{"binary_version":"2.4.7-1ubuntu0.5","binary_name":"libexpat1"},{"binary_version":"2.4.7-1ubuntu0.5","binary_name":"libexpat1-dev"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7145-1.json","cves_map":{"cves":[{"id":"CVE-2024-50602","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}},{"package":{"name":"expat","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/expat@2.6.1-2ubuntu0.2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.1-2ubuntu0.2"}]}],"versions":["2.5.0-2","2.6.0-1","2.6.1-2","2.6.1-2build1","2.6.1-2ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.6.1-2ubuntu0.2","binary_name":"expat"},{"binary_version":"2.6.1-2ubuntu0.2","binary_name":"libexpat1"},{"binary_version":"2.6.1-2ubuntu0.2","binary_name":"libexpat1-dev"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7145-1.json","cves_map":{"cves":[{"id":"CVE-2024-50602","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:24.04:LTS"}}}],"schema_version":"1.7.3"}