{"id":"UBUNTU-CVE-2020-35511","details":"A global buffer overflow was discovered in pngcheck function in pngcheck-2.4.0(5 patches applied) via a crafted png file.","modified":"2026-04-27T16:32:57.392725Z","published":"2022-08-23T20:15:00Z","related":["USN-6182-1"],"upstream":["CVE-2020-35511"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-35511"},{"type":"REPORT","url":"http://www.libpng.org/pub/png/apps/pngcheck.html"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6182-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-35511"}],"affected":[{"package":{"name":"pngcheck","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/pngcheck@2.3.0-7ubuntu0.16.04.1~esm1?arch=source&distro=esm-apps/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-7ubuntu0.16.04.1~esm1"}]}],"versions":["2.3.0-7"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"pngcheck","binary_version":"2.3.0-7ubuntu0.16.04.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35511.json"}},{"package":{"name":"pngcheck","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/pngcheck@2.3.0-7ubuntu0.18.04.1~esm1?arch=source&distro=esm-apps/bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-7ubuntu0.18.04.1~esm1"}]}],"versions":["2.3.0-7"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"pngcheck","binary_version":"2.3.0-7ubuntu0.18.04.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35511.json"}},{"package":{"name":"pngcheck","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/pngcheck@2.3.0-7ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.0-7ubuntu0.20.04.1"}]}],"versions":["2.3.0-7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"pngcheck","binary_version":"2.3.0-7ubuntu0.20.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35511.json"}},{"package":{"name":"pngcheck","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/pngcheck@3.0.3-3?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3-3"],"ecosystem_specific":{"binaries":[{"binary_name":"pngcheck","binary_version":"3.0.3-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35511.json"}},{"package":{"name":"pngcheck","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/pngcheck@3.0.3-3?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3-3"],"ecosystem_specific":{"binaries":[{"binary_name":"pngcheck","binary_version":"3.0.3-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35511.json"}},{"package":{"name":"pngcheck","ecosystem":"Ubuntu:26.04","purl":"pkg:deb/ubuntu/pngcheck@4.0.1-1?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.3-3","4.0.0+git20250707.6419815-1","4.0.1-1"],"ecosystem_specific":{"binaries":[{"binary_name":"pngcheck","binary_version":"4.0.1-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-35511.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:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}