{"id":"USN-2861-1","summary":"libpng vulnerabilities","details":"It was discovered that libpng incorrectly handled certain small bit-depth\nvalues. If a user or automated system using libpng were tricked into\nopening a specially crafted image, an attacker could exploit this to cause\na denial of service or execute code with the privileges of the user\ninvoking the program. (CVE-2015-8472)\n\nQixue Xiao and Chen Yu discovered that libpng incorrectly handled certain\nmalformed images. If a user or automated system using libpng were tricked\ninto opening a specially crafted image, an attacker could exploit this to\ncause a denial of service. (CVE-2015-8540)\n","modified":"2026-04-22T09:20:16.739992Z","published":"2016-01-06T17:36:40Z","related":["UBUNTU-CVE-2015-8472","UBUNTU-CVE-2015-8540"],"upstream":["CVE-2015-8472","CVE-2015-8540","UBUNTU-CVE-2015-8472","UBUNTU-CVE-2015-8540"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2861-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-8472"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-8540"}],"affected":[{"package":{"name":"libpng","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/libpng@1.2.50-1ubuntu2.14.04.2?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.50-1ubuntu2.14.04.2"}]}],"versions":["1.2.49-4ubuntu1","1.2.49-5ubuntu1","1.2.50-1ubuntu1","1.2.50-1ubuntu2","1.2.50-1ubuntu2.14.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.50-1ubuntu2.14.04.2","binary_name":"libpng12-0"},{"binary_version":"1.2.50-1ubuntu2.14.04.2","binary_name":"libpng3"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-2861-1.json","cves_map":{"ecosystem":"Ubuntu:14.04:LTS","cves":[{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2015-8472"},{"severity":[{"score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2015-8540"}]}}}],"schema_version":"1.7.5"}