{"schemaVersion":3,"id":"USN-8543-2","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"wget regression\n\nUSN-8543-1 fixed vulnerabilities in Wget. The update for CVE-2026-58472\nwas incomplete and could introduce a regression. This update fixes the\nproblem.\n\nWe apologize for the inconvenience.\n\nOriginal advisory details:\n\n It was discovered that Wget mishandled semicolons in the userinfo\n subcomponent of a URL. A remote attacker could possibly use this issue\n to trick a user into connecting to a different host than intended. This\n issue only affected Ubuntu 14.04 LTS. (CVE-2024-38428)\n\n It was discovered that Wget incorrectly handled Metalink documents\n containing a whitespace-only URL. A remote attacker could possibly use\n this issue to cause a denial of service. This issue only affected Ubuntu\n 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and\n Ubuntu 26.04 LTS. (CVE-2026-58469)\n\n It was discovered that Wget incorrectly handled Content-Range header\n values, leading to an integer overflow. A remote attacker could\n possibly use this issue to cause download desynchronization.\n (CVE-2026-58470)\n\n It was discovered that Wget incorrectly handled character set\n conversion of server-supplied filenames. A remote attacker could\n possibly use this issue to cause a denial of service or possibly execute\n arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04\n LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS.\n (CVE-2026-58471)\n\n It was discovered that Wget incorrectly handled HTML attributes\n requiring entity encoding. A remote attacker could possibly use this\n issue to cause a denial of service or possibly execute arbitrary code.\n (CVE-2026-58472)","dates":{"published":"2026-08-20T20:06:13.000Z","modified":"2026-08-21T04:51:54.022Z","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":"wget","name":"wget","label":"wget","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/wget","purlType":"deb","versions":[{"text":"< 1.15-1ubuntu1.14.04.5+esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 1.17.1-1ubuntu1.5+esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 1.19.4-1ubuntu2.2+esm5","noFixRecorded":false,"fixedIn":null},{"text":"< 1.20.3-1ubuntu2.1+esm4","noFixRecorded":false,"fixedIn":null},{"text":"< 1.21.2-2ubuntu1.5","noFixRecorded":false,"fixedIn":null},{"text":"< 1.21.4-1ubuntu4.5","noFixRecorded":false,"fixedIn":null},{"text":"< 1.25.0-2ubuntu4.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.15-1ubuntu1.14.04.5+esm4 | < 1.17.1-1ubuntu1.5+esm5 | < 1.19.4-1ubuntu2.2+esm5 | < 1.20.3-1ubuntu2.1+esm4 | < 1.21.2-2ubuntu1.5 | < 1.21.4-1ubuntu4.5 | < 1.25.0-2ubuntu4.4","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8543-2","label":"ubuntu.com/security/notices/USN-8543-2","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://bugs.launchpad.net/ubuntu/+source/wget/+bug/2163754","label":"bugs.launchpad.net/ubuntu/+source/wget/+bug/2163754","hostname":"bugs.launchpad.net","tags":["REPORT"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-08-20T20:06:13.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-08-21T04:51:54.022Z","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":"2026-10-20T05:35:19.632Z","stale":false,"partial":false}}