{"id":"AZL-6368","summary":"CVE-2021-22945 affecting package curl for versions less than 7.82.0-1","details":"When sending data to an MQTT server, libcurl \u003c= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.","modified":"2026-04-21T04:32:11.462401Z","published":"2021-09-23T13:15:08Z","upstream":["CVE-2021-22945"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22945"}],"affected":[{"package":{"name":"curl","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/curl"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.82.0-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-6368.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:N/A:H"}]}