{"id":"USN-5570-1","summary":"zlib vulnerability","details":"Evgeny Legerov discovered that zlib incorrectly handled memory when\nperforming certain inflate 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":"2026-04-22T10:26:54.683851Z","published":"2022-08-17T22:44:40Z","related":["UBUNTU-CVE-2022-37434"],"upstream":["CVE-2022-37434","UBUNTU-CVE-2022-37434"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5570-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2022-37434"}],"affected":[{"package":{"name":"zlib","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/zlib@1:1.2.8.dfsg-1ubuntu1.1+esm2?arch=source&distro=trusty/esm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.8.dfsg-1ubuntu1.1+esm2"}]}],"versions":["1:1.2.8.dfsg-1ubuntu1","1:1.2.8.dfsg-1ubuntu1.1","1:1.2.8.dfsg-1ubuntu1.1+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm2","binary_name":"lib32z1"},{"binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm2","binary_name":"lib64z1"},{"binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm2","binary_name":"libx32z1"},{"binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm2","binary_name":"zlib-bin"},{"binary_version":"1:1.2.8.dfsg-1ubuntu1.1+esm2","binary_name":"zlib1g"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-37434"}],"ecosystem":"Ubuntu:Pro:14.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5570-1.json"}},{"package":{"name":"zlib","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/zlib@1:1.2.8.dfsg-2ubuntu4.3+esm2?arch=source&distro=esm-infra/xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.8.dfsg-2ubuntu4.3+esm2"}]}],"versions":["1:1.2.8.dfsg-2ubuntu4","1:1.2.8.dfsg-2ubuntu4.1","1:1.2.8.dfsg-2ubuntu4.3","1:1.2.8.dfsg-2ubuntu4.3+esm1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm2","binary_name":"lib32z1"},{"binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm2","binary_name":"lib64z1"},{"binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm2","binary_name":"libx32z1"},{"binary_version":"1:1.2.8.dfsg-2ubuntu4.3+esm2","binary_name":"zlib1g"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-37434"}],"ecosystem":"Ubuntu:Pro:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5570-1.json"}},{"package":{"name":"zlib","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/zlib@1:1.2.11.dfsg-0ubuntu2.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.2.11.dfsg-0ubuntu2.2"}]}],"versions":["1:1.2.11.dfsg-0ubuntu2","1:1.2.11.dfsg-0ubuntu2.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"1:1.2.11.dfsg-0ubuntu2.2","binary_name":"lib32z1"},{"binary_version":"1:1.2.11.dfsg-0ubuntu2.2","binary_name":"lib64z1"},{"binary_version":"1:1.2.11.dfsg-0ubuntu2.2","binary_name":"libx32z1"},{"binary_version":"1:1.2.11.dfsg-0ubuntu2.2","binary_name":"zlib1g"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2022-37434"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5570-1.json"}}],"schema_version":"1.7.5"}