{"id":"USN-8081-1","summary":"libpng vulnerabilities","details":"It was discovered that libpng did not properly handle memory when processing\ncertain PNG files. An attacker could possibly use this issue to cause libpng\nto crash, resulting in a denial of service, or disclose sensitive information.\n(CVE-2025-64505)\n\nJoshua Inscoe discovered that libpng did not properly handle memory when\nprocessing certain PNG files. An attacker could possibly use this issue\nto cause libpng to crash, resulting in a denial of service, disclose sensitive\ninformation, or execute arbitrary code. (CVE-2026-25646)","modified":"2026-05-20T16:06:17.931708271Z","published":"2026-03-11T09:10:16Z","related":["UBUNTU-CVE-2025-64505","UBUNTU-CVE-2026-25646"],"upstream":["UBUNTU-CVE-2025-64505","UBUNTU-CVE-2026-25646"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8081-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-64505"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-25646"}],"affected":[{"package":{"name":"libpng","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/libpng?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.50-1ubuntu2.14.04.3+esm1"}]}],"versions":["1.2.49-4ubuntu1","1.2.49-5ubuntu1","1.2.50-1ubuntu1","1.2.50-1ubuntu2","1.2.50-1ubuntu2.14.04.1","1.2.50-1ubuntu2.14.04.2","1.2.50-1ubuntu2.14.04.3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.50-1ubuntu2.14.04.3+esm1","binary_name":"libpng12-0"},{"binary_version":"1.2.50-1ubuntu2.14.04.3+esm1","binary_name":"libpng3"}],"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/usn/USN-8081-1.json","cves_map":{"cves":[{"id":"CVE-2025-64505","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-25646","severity":[{"score":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"libpng","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/libpng?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.54-1ubuntu1.1+esm2"}]}],"versions":["1.2.51-0ubuntu3","1.2.54-1","1.2.54-1ubuntu1","1.2.54-1ubuntu1.1","1.2.54-1ubuntu1.1+esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.2.54-1ubuntu1.1+esm2","binary_name":"libpng12-0"},{"binary_version":"1.2.54-1ubuntu1.1+esm2","binary_name":"libpng3"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8081-1.json","cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}}],"schema_version":"1.7.5"}