{"id":"UBUNTU-CVE-2021-20204","details":"A heap memory corruption problem (use after free) can be triggered in libgetdata v0.10.0 when processing maliciously crafted dirfile databases. This degrades the confidentiality, integrity and availability of third-party software that uses libgetdata as a library. This vulnerability may lead to arbitrary code execution or privilege escalation depending on input/skills of attacker.","modified":"2026-05-20T16:04:43.221481485Z","published":"2021-05-06T15:15:00Z","upstream":["CVE-2021-20204"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-20204"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-20204"}],"affected":[{"package":{"name":"libgetdata","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/libgetdata?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.3-6.2ubuntu1","0.9.0-2","0.9.0-2.1","0.9.0-2.2"],"ecosystem_specific":{"binaries":[{"binary_name":"libf95getdata2","binary_version":"0.9.0-2.2"},{"binary_name":"libfgetdata2","binary_version":"0.9.0-2.2"},{"binary_name":"libgetdata++3","binary_version":"0.9.0-2.2"},{"binary_version":"0.9.0-2.2","binary_name":"libgetdata-perl"},{"binary_name":"libgetdata-tools","binary_version":"0.9.0-2.2"},{"binary_version":"0.9.0-2.2","binary_name":"libgetdata5"},{"binary_version":"0.9.0-2.2","binary_name":"python-pygetdata"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-20204.json"}},{"package":{"name":"libgetdata","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/libgetdata?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.0-3build2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.10.0-3build2","binary_name":"libf95getdata7"},{"binary_version":"0.10.0-3build2","binary_name":"libfgetdata6"},{"binary_name":"libgetdata++7","binary_version":"0.10.0-3build2"},{"binary_version":"0.10.0-3build2","binary_name":"libgetdata-perl"},{"binary_name":"libgetdata-tools","binary_version":"0.10.0-3build2"},{"binary_version":"0.10.0-3build2","binary_name":"libgetdata8"},{"binary_name":"python-pygetdata","binary_version":"0.10.0-3build2"},{"binary_name":"python3-pygetdata","binary_version":"0.10.0-3build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-20204.json"}},{"package":{"name":"libgetdata","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/libgetdata?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.0-6","0.10.0-6build2","0.10.0-6build3"],"ecosystem_specific":{"binaries":[{"binary_name":"libf95getdata7","binary_version":"0.10.0-6build3"},{"binary_version":"0.10.0-6build3","binary_name":"libfgetdata6"},{"binary_version":"0.10.0-6build3","binary_name":"libgetdata++7"},{"binary_name":"libgetdata-perl","binary_version":"0.10.0-6build3"},{"binary_version":"0.10.0-6build3","binary_name":"libgetdata-tools"},{"binary_name":"libgetdata8","binary_version":"0.10.0-6build3"},{"binary_name":"python3-pygetdata","binary_version":"0.10.0-6build3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-20204.json"}},{"package":{"name":"libgetdata","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/libgetdata?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.0-10","0.11.0-1","0.11.0-2","0.11.0-2build1","0.11.0-3ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"libf95getdata7","binary_version":"0.11.0-3ubuntu1"},{"binary_name":"libfgetdata6","binary_version":"0.11.0-3ubuntu1"},{"binary_name":"libgetdata++7","binary_version":"0.11.0-3ubuntu1"},{"binary_name":"libgetdata-perl","binary_version":"0.11.0-3ubuntu1"},{"binary_name":"libgetdata-tools","binary_version":"0.11.0-3ubuntu1"},{"binary_version":"0.11.0-3ubuntu1","binary_name":"libgetdata8"},{"binary_version":"0.11.0-3ubuntu1","binary_name":"python3-pygetdata"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-20204.json"}},{"package":{"name":"libgetdata","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libgetdata?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.0-6","0.11.0-7","0.11.0-7ubuntu1","0.11.0-10","0.11.0-11","0.11.0-12","0.11.0-12build1","0.11.0-12build3","0.11.0-13"],"ecosystem_specific":{"binaries":[{"binary_name":"libf95getdata7","binary_version":"0.11.0-13"},{"binary_version":"0.11.0-13","binary_name":"libfgetdata6"},{"binary_version":"0.11.0-13","binary_name":"libgetdata++7"},{"binary_name":"libgetdata-perl","binary_version":"0.11.0-13"},{"binary_name":"libgetdata-tools","binary_version":"0.11.0-13"},{"binary_name":"libgetdata8","binary_version":"0.11.0-13"},{"binary_version":"0.11.0-13","binary_name":"python3-pygetdata"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-20204.json"}},{"package":{"name":"libgetdata","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/libgetdata?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"vers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