CVE-2008-7128: Xyssl

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

The ssl_parse_client_key_exchange function in XySSL before 0.9 does not protect against certain Bleichenbacher attacks using chosen ciphertext, which allows remote attackers to recover keys via unspecified vectors.

Affected products

• Xyssl Xyssl: up to and including 0.8; version 0.1 only; version 0.2 only; version 0.3 only; version 0.4 only; version 0.5 only; …

Published 2009-08-31. Last modified 2026-06-16.