CVE-2008-0891: OpenSSL

Medium severity, CVSS 4.3. EPSS: 4.2% chance of exploitation in the next 30 days.

Double free vulnerability in OpenSSL 0.9.8f and 0.9.8g, when the TLS server name extensions are enabled, allows remote attackers to cause a denial of service (crash) via a malformed Client Hello packet. NOTE: some of these details are obtained from third party information.

Affected products

• OpenSSL OpenSSL: version 0.9.8f only; version 0.9.8g only

Published 2008-05-29. Last modified 2026-06-16.