{"id":"AZL-31500","summary":"CVE-2023-45853 affecting package zlib for versions less than 1.2.13-2","details":"MiniZip in zlib through 1.3 has an integer overflow and resultant heap-based buffer overflow in zipOpenNewFileInZip4_64 via a long filename, comment, or extra field. NOTE: MiniZip is not a supported part of the zlib product. NOTE: pyminizip through 0.2.6 is also vulnerable because it bundles an affected zlib version, and exposes the applicable MiniZip code through its compress API.","modified":"2026-04-01T05:10:11.115673Z","published":"2023-10-14T02:15:09Z","upstream":["CVE-2023-45853"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-45853"}],"affected":[{"package":{"name":"zlib","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/zlib"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.13-2"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-31500.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}