{"id":"UBUNTU-CVE-2021-38441","details":"Eclipse CycloneDDS versions prior to 0.8.0 are vulnerable to a write-what-where condition, which may allow an attacker to write arbitrary values in the XML parser.","modified":"2026-05-20T16:05:09.511124228Z","published":"2022-05-05T17:15:00Z","upstream":["CVE-2021-38441"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-38441"},{"type":"REPORT","url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02"},{"type":"REPORT","url":"https://projects.eclipse.org/projects/iot.cyclonedds"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-38441"}],"affected":[{"package":{"name":"cyclonedds","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/cyclonedds?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.0-7","0.8.1-4","0.8.1-4build1","0.8.1-5","0.8.2-1","0.8.2-4","0.8.2-5"],"ecosystem_specific":{"binaries":[{"binary_name":"cyclonedds-tools","binary_version":"0.8.2-5"},{"binary_name":"libcycloneddsidl0","binary_version":"0.8.2-5"},{"binary_version":"0.8.2-5","binary_name":"libddsc0"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-38441.json"}},{"package":{"name":"cyclonedds","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/cyclonedds?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.3-2","0.10.4-1","0.10.4-1.1","0.10.4-1.1build1","0.10.4-1.1build2","0.10.4-1.1build3"],"ecosystem_specific":{"binaries":[{"binary_name":"cyclonedds-tools","binary_version":"0.10.4-1.1build3"},{"binary_version":"0.10.4-1.1build3","binary_name":"libcycloneddsidl0t64"},{"binary_name":"libddsc0t64","binary_version":"0.10.4-1.1build3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-38441.json"}},{"package":{"name":"cyclonedds","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/cyclonedds?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.5-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.10.5-1","binary_name":"cyclonedds-tools"},{"binary_version":"0.10.5-1","binary_name":"libcycloneddsidl0t64"},{"binary_version":"0.10.5-1","binary_name":"libddsc0t64"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-38441.json"}},{"package":{"name":"cyclonedds","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/cyclonedds?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.5-1","0.10.5-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.10.5-1build1","binary_name":"cyclonedds-tools"},{"binary_version":"0.10.5-1build1","binary_name":"libcycloneddsidl0t64"},{"binary_name":"libddsc0t64","binary_version":"0.10.5-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-38441.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H"},{"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"}]}