{"id":"USN-5355-1","summary":"zlib vulnerability","details":"Danilo Ramos discovered that zlib incorrectly handled memory when\nperforming certain deflating operations. An attacker could use this issue\nto cause zlib to crash, resulting in a denial of service, or possibly\nexecute arbitrary code.\n","modified":"2026-04-22T10:39:21.003006Z","published":"2022-03-30T14:24:46Z","related":["UBUNTU-CVE-2018-25032"],"upstream":["CVE-2018-25032","UBUNTU-CVE-2018-25032"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5355-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-25032"}],"affected":[{"package":{"name":"zlib","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/zlib@1:1.2.11.dfsg-0ubuntu2.1?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.11.dfsg-0ubuntu2.1"}]}],"versions":["1:1.2.11.dfsg-0ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_version":"1:1.2.11.dfsg-0ubuntu2.1","binary_name":"lib32z1"},{"binary_name":"lib64z1","binary_version":"1:1.2.11.dfsg-0ubuntu2.1"},{"binary_name":"libx32z1","binary_version":"1:1.2.11.dfsg-0ubuntu2.1"},{"binary_name":"zlib1g","binary_version":"1:1.2.11.dfsg-0ubuntu2.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5355-1.json","cves_map":{"cves":[{"id":"CVE-2018-25032","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:18.04:LTS"}}},{"package":{"name":"zlib","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/zlib@1:1.2.11.dfsg-2ubuntu1.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.11.dfsg-2ubuntu1.3"}]}],"versions":["1:1.2.11.dfsg-1ubuntu3","1:1.2.11.dfsg-2ubuntu1","1:1.2.11.dfsg-2ubuntu1.1","1:1.2.11.dfsg-2ubuntu1.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:1.2.11.dfsg-2ubuntu1.3","binary_name":"lib32z1"},{"binary_name":"lib64z1","binary_version":"1:1.2.11.dfsg-2ubuntu1.3"},{"binary_name":"libx32z1","binary_version":"1:1.2.11.dfsg-2ubuntu1.3"},{"binary_name":"zlib1g","binary_version":"1:1.2.11.dfsg-2ubuntu1.3"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2018-25032","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5355-1.json"}}],"schema_version":"1.7.5"}