{"schemaVersion":3,"id":"USN-5432-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libpng1.6 vulnerabilities\n\nUSN-5432-1 fixed vulnerabilities in libpng.\nThis update provides the corresponding updates for libpng1.6.\n\nOriginal advisory details:\n\n It was discovered that libpng incorrectly handled memory when parsing\n certain PNG files. If a user or automated system were tricked into opening\n a specially crafted PNG file, an attacker could use this issue to cause\n libpng to crash, resulting in a denial of service, or possibly execute\n arbitrary code. (CVE-2017-12652)\n\n Zhengxiong Luo discovered that libpng incorrectly handled memory when parsing\n certain PNG files. If a user or automated system were tricked into opening\n a specially crafted PNG file, an attacker could use this issue to cause\n libpng to crash, resulting in a denial of service, or possibly execute\n arbitrary code. (CVE-2018-14048)","dates":{"published":"2022-05-24T14:21:04.000Z","modified":"2026-06-25T13:31:11.727Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"libpng1.6","name":"libpng1.6","label":"libpng1.6","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libpng1.6","purlType":"deb","versions":[{"text":"< 1.6.20-2ubuntu0.1~esm1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.6.20-2ubuntu0.1~esm1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-5432-2","label":"ubuntu.com/security/notices/USN-5432-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-12652","label":"ubuntu.com/security/CVE-2017-12652","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2018-14048","label":"ubuntu.com/security/CVE-2018-14048","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2017-12652","CVE-2018-14048"],"downstream":[],"duplicates":[],"related":["CVE-2017-12652","CVE-2018-14048"]},"timeline":[{"kind":"published","date":"2022-05-24T14:21:04.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-06-25T13:31:11.727Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T13:10:01.762Z","stale":false,"partial":false}}