{"id":"UBUNTU-CVE-2017-16794","details":"The png_load function in lib/png.c in SWFTools 0.9.2 does not properly validate a multiplication of width and bits-per-pixel values, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file, as demonstrated by an erroneous png_load call that occurs because of incorrect integer data types in png2swf.","modified":"2025-10-24T04:46:36Z","published":"2017-11-12T05:29:00Z","upstream":["CVE-2017-16794"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-16794"},{"type":"REPORT","url":"https://github.com/matthiaskramm/swftools/issues/50"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-16794"}],"affected":[{"package":{"name":"swftools","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/swftools@0.9.2+git20130725-4.1~build0.16.04.1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.2+git20130725-2","0.9.2+git20130725-2ubuntu1","0.9.2+git20130725-4","0.9.2+git20130725-4.1~build0.16.04.1"],"ecosystem_specific":{"binaries":[{"binary_name":"swftools","binary_version":"0.9.2+git20130725-4.1~build0.16.04.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-16794.json"}},{"package":{"name":"swftools","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/swftools@0.9.2+git20130725-4.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.9.2+git20130725-4.1"],"ecosystem_specific":{"binaries":[{"binary_name":"swftools","binary_version":"0.9.2+git20130725-4.1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-16794.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"low"}]}