{"id":"AZL-109523","summary":"CVE-2020-5234 affecting package python-msgpack 1.0.5-3","details":"MessagePack for C# and Unity before version 1.9.11 and 2.1.90 has a vulnerability where untrusted data can lead to DoS attack due to hash collisions and stack overflow. Review the linked GitHub Security Advisory for more information and remediation steps.","modified":"2026-10-20T14:18:23.166645186Z","published":"2020-01-31T18:15:11Z","upstream":["CVE-2020-5234"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5234"}],"affected":[{"package":{"name":"python-msgpack","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/python-msgpack"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.0.5-3"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-109523.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}