CVE-2016-8871: Botan Project Botan

Medium severity, CVSS 6.2. EPSS: 0.4% chance of exploitation in the next 30 days.

In Botan 1.11.29 through 1.11.32, RSA decryption with certain padding options had a detectable timing channel which could given sufficient queries be used to recover plaintext, aka an "OAEP side channel" attack.

Affected products

• Botan Project Botan: version 1.11.29 only; version 1.11.30 only; version 1.11.31 only; version 1.11.32 only

Published 2016-10-28. Last modified 2026-06-17.