{"id":"AZL-7226","summary":"CVE-2021-36386 affecting package fetchmail for versions less than 6.4.22-1","details":"report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic platform results in an impact beyond an inconvenience to the client user.","modified":"2026-04-01T05:22:08.752435Z","published":"2021-07-30T14:15:18Z","upstream":["CVE-2021-36386"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36386"}],"affected":[{"package":{"name":"fetchmail","ecosystem":"Azure Linux:2","purl":"pkg:rpm/azure-linux/fetchmail"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.4.22-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-7226.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:N/I:N/A:H"}]}