{"id":"UBUNTU-CVE-2021-34552","details":"Pillow through 8.2.0 and PIL (aka Python Imaging Library) through 1.1.7 allow an attacker to pass controlled parameters directly into a convert function to trigger a buffer overflow in Convert.c.","modified":"2026-01-30T01:46:57.665749Z","published":"2021-07-13T17:15:00Z","related":["USN-5227-1","USN-5227-2"],"upstream":["CVE-2021-34552"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-34552"},{"type":"REPORT","url":"https://pillow.readthedocs.io/en/stable/releasenotes/index.html"},{"type":"REPORT","url":"https://pillow.readthedocs.io/en/stable/releasenotes/8.3.0.html#buffer-overflow"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5227-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5227-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-34552"}],"affected":[{"package":{"name":"pillow","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/pillow@2.3.0-1ubuntu3.4+esm3?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-1ubuntu3.4+esm3"}]}],"versions":["2.2.1-1ubuntu2","2.2.1-2ubuntu1","2.2.1-3ubuntu2","2.2.1-3ubuntu3","2.2.1-3ubuntu4","2.2.1-3ubuntu6","2.3.0-1ubuntu1","2.3.0-1ubuntu2","2.3.0-1ubuntu3","2.3.0-1ubuntu3.2","2.3.0-1ubuntu3.3","2.3.0-1ubuntu3.4","2.3.0-1ubuntu3.4+esm1","2.3.0-1ubuntu3.4+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): 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with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"python-imaging","binary_version":"3.1.2-0ubuntu1.6+esm1"},{"binary_name":"python-pil","binary_version":"3.1.2-0ubuntu1.6+esm1"},{"binary_name":"python-pil.imagetk","binary_version":"3.1.2-0ubuntu1.6+esm1"},{"binary_name":"python3-pil","binary_version":"3.1.2-0ubuntu1.6+esm1"},{"binary_name":"python3-pil.imagetk","binary_version":"3.1.2-0ubuntu1.6+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34552.json"}},{"package":{"name":"pillow","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/pillow@5.1.0-1ubuntu0.7?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-1ubuntu0.7"}]}],"versions":["4.1.1-3build2","4.3.0-2ubuntu1","5.0.0-1","5.1.0-1","5.1.0-1ubuntu0.2","5.1.0-1ubuntu0.3","5.1.0-1ubuntu0.4","5.1.0-1ubuntu0.5","5.1.0-1ubuntu0.6"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python-pil","binary_version":"5.1.0-1ubuntu0.7"},{"binary_name":"python-pil.imagetk","binary_version":"5.1.0-1ubuntu0.7"},{"binary_name":"python3-pil","binary_version":"5.1.0-1ubuntu0.7"},{"binary_name":"python3-pil.imagetk","binary_version":"5.1.0-1ubuntu0.7"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34552.json"}},{"package":{"name":"pillow","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/pillow@7.0.0-4ubuntu0.5?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.0-4ubuntu0.5"}]}],"versions":["6.1.0-1","6.1.0-1build1","6.2.1-2","7.0.0-4","7.0.0-4build1","7.0.0-4ubuntu0.1","7.0.0-4ubuntu0.2","7.0.0-4ubuntu0.3","7.0.0-4ubuntu0.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-pil","binary_version":"7.0.0-4ubuntu0.5"},{"binary_name":"python3-pil.imagetk","binary_version":"7.0.0-4ubuntu0.5"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34552.json"}},{"package":{"name":"pillow-python2","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/pillow-python2@6.2.1-3ubuntu0.1~esm2?arch=source&distro=esm-apps/focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.2.1-3~build1","6.2.1-3","6.2.1-3ubuntu0.1~esm1","6.2.1-3ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"python-pil","binary_version":"6.2.1-3ubuntu0.1~esm2"},{"binary_name":"python-pil.imagetk","binary_version":"6.2.1-3ubuntu0.1~esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-34552.json"}}],"schema_version":"1.7.3","severity":[{"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":"low"}]}