CVE-2010-4533: Debian Linux

Critical severity, CVSS 9.8. EPSS: 1% chance of exploitation in the next 30 days.

offlineimap before 6.3.4 added support for SSL server certificate validation but it is still possible to use SSL v2 protocol, which is a flawed protocol with multiple security deficiencies.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only; version 10.0 only
• Offlineimap Offlineimap: before 6.3.4 (fixed in 6.3.4)

Published 2019-11-13. Last modified 2026-06-16.