CVE-2009-1387: Canonical Ubuntu Linux

Medium severity, CVSS 5.0. EPSS: 10.3% chance of exploitation in the next 30 days.

The dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL before 1.0.0 Beta 2 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence DTLS handshake message, related to a "fragment bug."

Affected products

• Canonical Ubuntu Linux: version 6.06 only; version 8.04 only; version 8.10 only; version 9.04 only
• OpenSSL OpenSSL: from 0.9.8, before 0.9.8m (fixed in 0.9.8m)
• Red Hat OpenSSL: version 0.9.6-15 only; version 0.9.6b-3 only; version 0.9.7a-2 only

Published 2009-06-04. Last modified 2026-06-16.