{"id":"USN-8543-2","summary":"wget regression","details":"USN-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)","modified":"2026-08-21T04:51:54.022605617Z","published":"2026-08-20T20:06:13Z","references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8543-2"},{"type":"REPORT","url":"https://bugs.launchpad.net/ubuntu/+source/wget/+bug/2163754"}],"affected":[{"package":{"name":"wget","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/wget?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.15-1ubuntu1.14.04.5+esm4"}]}],"versions":["1.14-2ubuntu1","1.14-5ubuntu1","1.15-1ubuntu1","1.15-1ubuntu1.14.04.1","1.15-1ubuntu1.14.04.2","1.15-1ubuntu1.14.04.3","1.15-1ubuntu1.14.04.4","1.15-1ubuntu1.14.04.5","1.15-1ubuntu1.14.04.5+esm2","1.15-1ubuntu1.14.04.5+esm3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.15-1ubuntu1.14.04.5+esm4","binary_name":"wget"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"}},{"package":{"name":"wget","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/wget?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17.1-1ubuntu1.5+esm5"}]}],"versions":["1.16.1-1ubuntu1","1.17.1-1ubuntu1","1.17.1-1ubuntu1.1","1.17.1-1ubuntu1.2","1.17.1-1ubuntu1.3","1.17.1-1ubuntu1.4","1.17.1-1ubuntu1.5","1.17.1-1ubuntu1.5+esm1","1.17.1-1ubuntu1.5+esm3","1.17.1-1ubuntu1.5+esm4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"wget","binary_version":"1.17.1-1ubuntu1.5+esm5"}]},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"}},{"package":{"name":"wget","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/wget?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.19.4-1ubuntu2.2+esm5"}]}],"versions":["1.19.1-3ubuntu1","1.19.1-3ubuntu1.1","1.19.2-1ubuntu1","1.19.3-2ubuntu1","1.19.4-1ubuntu2","1.19.4-1ubuntu2.1","1.19.4-1ubuntu2.2","1.19.4-1ubuntu2.2+esm1","1.19.4-1ubuntu2.2+esm3","1.19.4-1ubuntu2.2+esm4"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1.19.4-1ubuntu2.2+esm5","binary_name":"wget"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[]}}},{"package":{"name":"wget","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/wget?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.20.3-1ubuntu2.1+esm4"}]}],"versions":["1.20.3-1ubuntu1","1.20.3-1ubuntu2","1.20.3-1ubuntu2.1","1.20.3-1ubuntu2.1+esm2","1.20.3-1ubuntu2.1+esm3"],"ecosystem_specific":{"binaries":[{"binary_name":"wget","binary_version":"1.20.3-1ubuntu2.1+esm4"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:Pro:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"}},{"package":{"name":"wget","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/wget?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.2-2ubuntu1.5"}]}],"versions":["1.21-1ubuntu3","1.21-1ubuntu4","1.21-1ubuntu5","1.21.2-2ubuntu1","1.21.2-2ubuntu1.1","1.21.2-2ubuntu1.3","1.21.2-2ubuntu1.4"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1.21.2-2ubuntu1.5","binary_name":"wget"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[]}}},{"package":{"name":"wget","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/wget?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.21.4-1ubuntu4.5"}]}],"versions":["1.21.3-1ubuntu1","1.21.4-1ubuntu1","1.21.4-1ubuntu2","1.21.4-1ubuntu3","1.21.4-1ubuntu4","1.21.4-1ubuntu4.1","1.21.4-1ubuntu4.3","1.21.4-1ubuntu4.4"],"ecosystem_specific":{"binaries":[{"binary_name":"wget","binary_version":"1.21.4-1ubuntu4.5"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[],"ecosystem":"Ubuntu:24.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"}},{"package":{"name":"wget","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/wget?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.25.0-2ubuntu4.4"}]}],"versions":["1.25.0-2ubuntu3","1.25.0-2ubuntu4","1.25.0-2ubuntu4.2","1.25.0-2ubuntu4.3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.25.0-2ubuntu4.4","binary_name":"wget"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8543-2.json"}}],"schema_version":"1.9.0"}