CVE-2008-2009: Canonical Ubuntu Linux

Medium severity, CVSS 4.3. EPSS: 3.5% chance of exploitation in the next 30 days.

Xiph.org libvorbis before 1.0 does not properly check for underpopulated Huffman trees, which allows remote attackers to cause a denial of service (crash) via a crafted OGG file that triggers memory corruption during execution of the _make_decode_tree function.

Affected products

• Canonical Ubuntu Linux: version 8.04 only; version 8.10 only; version 9.04 only; version 9.10 only
• Xiph.org Libvorbis: version 1.0 only

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