{"schemaVersion":3,"id":"USN-3117-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"libgd2 vulnerabilities\n\nIbrahim El-Sayed discovered that the GD library incorrectly handled certain\nmalformed Tiff images. If a user or automated system were tricked into\nprocessing a specially crafted Tiff image, an attacker could cause a denial\nof service. (CVE-2016-6911)\n\nKe Liu discovered that the GD library incorrectly handled certain integers\nwhen processing WebP images. If a user or automated system were tricked\ninto processing a specially crafted WebP image, an attacker could cause a\ndenial of service, or possibly execute arbitrary code. This issue only\napplied to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10.\n(CVE-2016-7568)\n\nEmmanuel Law discovered that the GD library incorrectly handled certain\nstrings when creating images. If a user or automated system were tricked\ninto processing a specially crafted image, an attacker could cause a denial\nof service, or possibly execute arbitrary code. (CVE-2016-8670)","dates":{"published":"2016-11-01T17:10:21.000Z","modified":"2026-04-22T09:30:06.107Z","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":"libgd2","name":"libgd2","label":"libgd2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/libgd2","purlType":"deb","versions":[{"text":"< 2.1.0-3ubuntu0.5","noFixRecorded":false,"fixedIn":null},{"text":"< 2.1.1-4ubuntu0.16.04.5","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.1.0-3ubuntu0.5 | < 2.1.1-4ubuntu0.16.04.5","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-3117-1","label":"ubuntu.com/security/notices/USN-3117-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-6911","label":"ubuntu.com/security/CVE-2016-6911","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-7568","label":"ubuntu.com/security/CVE-2016-7568","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2016-8670","label":"ubuntu.com/security/CVE-2016-8670","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2016-6911","CVE-2016-7568","CVE-2016-8670"],"downstream":[],"duplicates":[],"related":["CVE-2016-6911","CVE-2016-7568","CVE-2016-8670"]},"timeline":[{"kind":"published","date":"2016-11-01T17:10:21.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-04-22T09:30:06.107Z","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":"2026-10-20T21:52:12.773Z","stale":false,"partial":false}}