{"id":"USN-5673-1","summary":"unzip vulnerabilities","details":"It was discovered that unzip did not properly handle unicode strings under\ncertain circumstances. If a user were tricked into opening a specially crafted\nzip file, an attacker could possibly use this issue to cause unzip to crash,\nresulting in a denial of service, or possibly execute arbitrary code. \n(CVE-2021-4217)\n\nIt was discovered that unzip did not properly perform bounds checking while\nconverting wide strings to local strings. If a user were tricked into opening a\nspecially crafted zip file, an attacker could possibly use this issue to cause\nunzip to crash, resulting in a denial of service, or possibly execute arbitrary\ncode. (CVE-2022-0529, CVE-2022-0530)\n","modified":"2026-02-10T04:42:48Z","published":"2022-10-13T09:26:04Z","related":["UBUNTU-CVE-2021-4217","UBUNTU-CVE-2022-0529","UBUNTU-CVE-2022-0530"],"upstream":["CVE-2021-4217","CVE-2022-0529","CVE-2022-0530","UBUNTU-CVE-2021-4217","UBUNTU-CVE-2022-0529","UBUNTU-CVE-2022-0530"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5673-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-4217"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-0529"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-0530"},{"type":"REPORT","url":"https://launchpad.net/bugs/1957077"}],"affected":[{"package":{"name":"unzip","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/unzip@6.0-9ubuntu1.6+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0-9ubuntu1.6+esm1"}]}],"versions":["6.0-9ubuntu1","6.0-9ubuntu1.1","6.0-9ubuntu1.2","6.0-9ubuntu1.3","6.0-9ubuntu1.4","6.0-9ubuntu1.5","6.0-9ubuntu1.6"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"6.0-9ubuntu1.6+esm1","binary_name":"unzip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5673-1.json","cves_map":{"cves":[{"id":"CVE-2021-4217","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2022-0529","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-0530","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:14.04:LTS"}}},{"package":{"name":"unzip","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/unzip@6.0-20ubuntu1.1+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0-20ubuntu1.1+esm1"}]}],"versions":["6.0-17ubuntu1","6.0-19ubuntu1","6.0-19ubuntu2","6.0-20ubuntu1","6.0-20ubuntu1.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"6.0-20ubuntu1.1+esm1","binary_name":"unzip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5673-1.json","cves_map":{"cves":[{"id":"CVE-2021-4217","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2022-0529","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-0530","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"unzip","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/unzip@6.0-21ubuntu1.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0-21ubuntu1.2"}]}],"versions":["6.0-21ubuntu1","6.0-21ubuntu1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"6.0-21ubuntu1.2","binary_name":"unzip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5673-1.json","cves_map":{"cves":[{"id":"CVE-2021-4217","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2022-0529","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-0530","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"unzip","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/unzip@6.0-25ubuntu1.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0-25ubuntu1.1"}]}],"versions":["6.0-25ubuntu1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"6.0-25ubuntu1.1","binary_name":"unzip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5673-1.json","cves_map":{"cves":[{"id":"CVE-2021-4217","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2022-0529","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-0530","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"}}},{"package":{"name":"unzip","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/unzip@6.0-26ubuntu3.1?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.0-26ubuntu3.1"}]}],"versions":["6.0-26ubuntu1","6.0-26ubuntu2","6.0-26ubuntu3"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"6.0-26ubuntu3.1","binary_name":"unzip"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5673-1.json","cves_map":{"cves":[{"id":"CVE-2021-4217","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]},{"id":"CVE-2022-0529","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2022-0530","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}}],"schema_version":"1.7.3"}