{"id":"USN-5355-2","summary":"zlib vulnerability","details":"USN-5355-1 fixed a vulnerability in zlib. This update provides\nthe corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.\n\nOriginal advisory details:\n\n Danilo Ramos discovered that zlib incorrectly handled memory when\n performing certain deflating operations. An attacker could use this issue\n to cause zlib to crash, resulting in a denial of service, or possibly\n execute arbitrary code.\n","modified":"2026-02-10T04:42:33Z","published":"2022-03-30T16:31:36Z","related":["UBUNTU-CVE-2018-25032"],"upstream":["CVE-2018-25032","UBUNTU-CVE-2018-25032"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5355-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2018-25032"}],"affected":[{"package":{"name":"zlib","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/zlib@1:1.2.8.dfsg-1ubuntu1.1+esm1?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.8.dfsg-1ubuntu1.1+esm1"}]}],"versions":["1:1.2.8.dfsg-1ubuntu1","1:1.2.8.dfsg-1ubuntu1.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"lib32z1","binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm1"},{"binary_name":"lib32z1-dev","binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm1"},{"binary_name":"lib64z1","binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm1"},{"binary_name":"lib64z1-dev","binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm1"},{"binary_name":"libx32z1","binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm1"},{"binary_name":"libx32z1-dev","binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm1"},{"binary_name":"zlib-bin","binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm1"},{"binary_name":"zlib1g","binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm1"},{"binary_name":"zlib1g-dev","binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:14.04:LTS","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"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5355-2.json"}},{"package":{"name":"zlib","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/zlib@1:1.2.8.dfsg-2ubuntu4.3+esm1?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.8.dfsg-2ubuntu4.3+esm1"}]}],"versions":["1:1.2.8.dfsg-2ubuntu4","1:1.2.8.dfsg-2ubuntu4.1","1:1.2.8.dfsg-2ubuntu4.3"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"lib32z1","binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm1"},{"binary_name":"lib32z1-dev","binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm1"},{"binary_name":"lib64z1","binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm1"},{"binary_name":"lib64z1-dev","binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm1"},{"binary_name":"libx32z1","binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm1"},{"binary_name":"libx32z1-dev","binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm1"},{"binary_name":"zlib1g","binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm1"},{"binary_name":"zlib1g-dev","binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","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"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5355-2.json"}}],"schema_version":"1.7.3"}