{"id":"USN-7993-1","summary":"libpng1.6 vulnerabilities","details":"It was discovered that libpng incorrectly handled memory when processing\ncertain malformed PNG files. If a user or automated system were tricked\ninto opening a specially crafted PNG file, an attacker could use this issue\nto cause libpng to crash, resulting in a denial of service. ","modified":"2026-02-10T04:50:48Z","published":"2026-02-02T14:48:00Z","related":["UBUNTU-CVE-2025-28162","UBUNTU-CVE-2025-28164"],"upstream":["CVE-2025-28162","CVE-2025-28164","UBUNTU-CVE-2025-28162","UBUNTU-CVE-2025-28164"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7993-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-28162"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-28164"}],"affected":[{"package":{"name":"libpng1.6","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/libpng1.6@1.6.43-5ubuntu0.4?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.43-5ubuntu0.4"}]}],"versions":["1.6.40-1","1.6.40-2","1.6.40-3","1.6.42-1","1.6.43-1","1.6.43-3","1.6.43-5build1","1.6.43-5ubuntu0.1","1.6.43-5ubuntu0.3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.6.43-5ubuntu0.4","binary_name":"libpng-dev"},{"binary_version":"1.6.43-5ubuntu0.4","binary_name":"libpng-tools"},{"binary_version":"1.6.43-5ubuntu0.4","binary_name":"libpng16-16t64"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2025-28162","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2025-28164","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7993-1.json"}}],"schema_version":"1.7.3"}