{"id":"AZL-94668","summary":"CVE-2026-18839 affecting package rsync 3.4.3-1","details":"An integer underflow was found in the popt library when formatting help text for option tables that exceed the terminal width. A local user who can cause an application to print help under those conditions may cause that application to crash or fail to display help, resulting in a denial of service of the affected application.","modified":"2026-08-31T05:26:27Z","published":"2026-08-05T21:16:57Z","upstream":["CVE-2026-18839"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18839"}],"affected":[{"package":{"name":"rsync","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/rsync"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.4.3-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-94668.json"}}],"schema_version":"1.9.0"}