{"action":"Upgrade isync to 1.3.0-2.2 or later.","affected":[{"fixed":"1.3.0-2.2","introduced":"0"}],"component":"isync","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.3.0-2.2"],"id":"tcs_01M5NFSM9ZM37WCT8QFG18DZAS","modified_at":"2026-10-23T18:03:29.100780252Z","published_at":"2022-02-16T19:15:08.507Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-3578","https://security-tracker.debian.org/tracker/CVE-2021-3578"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-3578#Debian:14/isync","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-3578"}],"summary":"A flaw was found in mbsync before v1.3.6 and v1.4.2, where an unchecked pointer cast allows a malicious or compromised server to write an arbitrary integer value past the end of a heap-allocated struc"}