openSUSE Tumbleweed — isync — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-3657 CVE-2021-44143 CVE-2021-20247 CVE-2021-3578 Upstream summary: A flaw was found in mbsync versions prior to 1.4.4. Due to inadequate handling of extremely large (>=2GiB) IMAP […]