{"id":"UBUNTU-CVE-2020-35653","details":"In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the user-supplied stride value is trusted for buffer calculations.","modified":"2026-02-04T02:17:58.481322Z","published":"2021-01-12T09:15:00Z","related":["USN-4697-1","USN-4697-2"],"upstream":["CVE-2020-35653"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-35653"},{"type":"REPORT","url":"https://pillow.readthedocs.io/en/stable/releasenotes/index.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4697-1"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4697-2"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-35653"}],"affected":[{"package":{"name":"pillow","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/pillow@2.3.0-1ubuntu3.4+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-1ubuntu3.4+esm2"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python-imaging"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python-imaging-compat"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python-imaging-sane"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python-imaging-tk"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python-pil"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python-pil.imagetk"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python-sane"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python3-imaging"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python3-imaging-sane"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python3-imaging-tk"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python3-pil"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python3-pil.imagetk"},{"binary_version":"2.3.0-1ubuntu3.4+esm2","binary_name":"python3-sane"}],"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/2020/UBUNTU-CVE-2020-35653.json"}},{"package":{"name":"pillow","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/pillow@3.1.2-0ubuntu1.5?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.1.2-0ubuntu1.5"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"3.1.2-0ubuntu1.5","binary_name":"python-imaging"},{"binary_version":"3.1.2-0ubuntu1.5","binary_name":"python-pil"},{"binary_version":"3.1.2-0ubuntu1.5","binary_name":"python-pil.imagetk"},{"binary_version":"3.1.2-0ubuntu1.5","binary_name":"python3-pil"},{"binary_version":"3.1.2-0ubuntu1.5","binary_name":"python3-pil.imagetk"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35653.json"}},{"package":{"name":"pillow","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/pillow@5.1.0-1ubuntu0.4?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.1.0-1ubuntu0.4"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"5.1.0-1ubuntu0.4","binary_name":"python-pil"},{"binary_version":"5.1.0-1ubuntu0.4","binary_name":"python-pil.imagetk"},{"binary_version":"5.1.0-1ubuntu0.4","binary_name":"python3-pil"},{"binary_version":"5.1.0-1ubuntu0.4","binary_name":"python3-pil.imagetk"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35653.json"}},{"package":{"name":"pillow","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/pillow@7.0.0-4ubuntu0.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.0-4ubuntu0.2"}]}],"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"],"ecosystem_specific":{"binaries":[{"binary_version":"7.0.0-4ubuntu0.2","binary_name":"python3-pil"},{"binary_version":"7.0.0-4ubuntu0.2","binary_name":"python3-pil.imagetk"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35653.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_version":"6.2.1-3ubuntu0.1~esm2","binary_name":"python-pil"},{"binary_version":"6.2.1-3ubuntu0.1~esm2","binary_name":"python-pil.imagetk"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35653.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}