{"schemaVersion":3,"id":"USN-8512-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"gzip vulnerabilities\n\nIt was discovered that Gzip's gzexe utility handled temporary files in an\ninsecure manner. When the mktemp utility was not available, gzexe\nconstructed a temporary file path based on the process ID, which could be\npredicted. A local attacker could possibly use this issue to overwrite\narbitrary files via a symlink attack. (CVE-2026-41991)\n\nIt was discovered that Gzip incorrectly handled certain compressed files.\nAn attacker could possibly use this issue to obtain sensitive information\nor cause Gzip to crash, resulting in a denial of service. (CVE-2026-41992)","dates":{"published":"2026-07-06T12:52:06.000Z","modified":"2026-07-06T20:44:29.397Z","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":"gzip","name":"gzip","label":"gzip","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/gzip","purlType":"deb","versions":[{"text":"< 1.10-4ubuntu4.2","noFixRecorded":false,"fixedIn":null},{"text":"< 1.12-1ubuntu3.2","noFixRecorded":false,"fixedIn":null},{"text":"< 1.14-1~exp2ubuntu1.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.10-4ubuntu4.2 | < 1.12-1ubuntu3.2 | < 1.14-1~exp2ubuntu1.1","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8512-1","label":"ubuntu.com/security/notices/USN-8512-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-41991","label":"ubuntu.com/security/CVE-2026-41991","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-41992","label":"ubuntu.com/security/CVE-2026-41992","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2026-41991","CVE-2026-41992"],"downstream":[],"duplicates":[],"related":["CVE-2026-41991","CVE-2026-41992"]},"timeline":[{"kind":"published","date":"2026-07-06T12:52:06.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-06T20:44:29.397Z","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":"2026-10-19T08:21:42.730Z","stale":false,"partial":false}}