{"action":"Upgrade isync to 1.4.4-r0 or later.","affected":[{"fixed":"1.4.4-r0","introduced":"1.4.0"}],"component":"isync","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.18","exploited":false,"fixed_versions":["1.4.4-r0"],"id":"tcs_01M6GZ1EB30VRKS5ZF0JSX9CWH","modified_at":"2026-11-03T06:32:47.924757075Z","published_at":"2021-11-22T20:15:18.223Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-44143","https://security.alpinelinux.org/vuln/CVE-2021-44143"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-44143#Alpine:v3.18/isync","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-44143"}],"summary":"A flaw was found in mbsync in isync 1.4.0 through 1.4.3. Due to an unchecked condition, a malicious or compromised IMAP server could use a crafted mail message that lacks headers (i.e., one that start"}