{"id":"UBUNTU-CVE-2021-28675","details":"An issue was discovered in Pillow before 8.2.0. PSDImagePlugin.PsdImageFile lacked a sanity check on the number of input layers relative to the size of the data block. This could lead to a DoS on Image.open prior to Image.load.","modified":"2026-04-02T18:45:10.373152467Z","published":"2021-05-10T00:00:00Z","related":["USN-4963-1","USN-8135-1"],"upstream":["CVE-2021-28675"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-28675"},{"type":"REPORT","url":"https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28675-fix-dos-in-psdimageplugin"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4963-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-28675"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8135-1"}],"affected":[{"package":{"name":"pillow","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/pillow@2.3.0-1ubuntu3.4+esm5?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-1ubuntu3.4+esm5"}]}],"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","2.3.0-1ubuntu3.4+esm3","2.3.0-1ubuntu3.4+esm4"],"ecosystem_specific":{"binaries":[{"binary_name":"python-imaging","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python-imaging-compat","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python-imaging-sane","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python-imaging-tk","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python-pil","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python-pil.imagetk","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python-sane","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python3-imaging","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python3-imaging-sane","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python3-imaging-tk","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python3-pil","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python3-pil.imagetk","binary_version":"2.3.0-1ubuntu3.4+esm5"},{"binary_name":"python3-sane","binary_version":"2.3.0-1ubuntu3.4+esm5"}],"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/cve/2021/UBUNTU-CVE-2021-28675.json"}},{"package":{"name":"pillow","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/pillow@3.1.2-0ubuntu1.6+esm3?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.2-0ubuntu1.6+esm3"}]}],"versions":["2.9.0-1","3.0.0-1","3.0.0-1build1","3.1.0-1","3.1.1-1","3.1.2-0ubuntu1","3.1.2-0ubuntu1.1","3.1.2-0ubuntu1.3","3.1.2-0ubuntu1.4","3.1.2-0ubuntu1.5","3.1.2-0ubuntu1.6","3.1.2-0ubuntu1.6+esm1","3.1.2-0ubuntu1.6+esm2"],"ecosystem_specific":{"binaries":[{"binary_name":"python-imaging","binary_version":"3.1.2-0ubuntu1.6+esm3"},{"binary_name":"python-pil","binary_version":"3.1.2-0ubuntu1.6+esm3"},{"binary_name":"python-pil.imagetk","binary_version":"3.1.2-0ubuntu1.6+esm3"},{"binary_name":"python3-pil","binary_version":"3.1.2-0ubuntu1.6+esm3"},{"binary_name":"python3-pil.imagetk","binary_version":"3.1.2-0ubuntu1.6+esm3"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28675.json"}},{"package":{"name":"pillow","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/pillow@5.1.0-1ubuntu0.6?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-1ubuntu0.6"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"python-pil","binary_version":"5.1.0-1ubuntu0.6"},{"binary_name":"python-pil.imagetk","binary_version":"5.1.0-1ubuntu0.6"},{"binary_name":"python3-pil","binary_version":"5.1.0-1ubuntu0.6"},{"binary_name":"python3-pil.imagetk","binary_version":"5.1.0-1ubuntu0.6"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28675.json"}},{"package":{"name":"pillow","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/pillow@7.0.0-4ubuntu0.4?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.0-4ubuntu0.4"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-pil","binary_version":"7.0.0-4ubuntu0.4"},{"binary_name":"python3-pil.imagetk","binary_version":"7.0.0-4ubuntu0.4"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-28675.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-2021-28675.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}