CVE-2009-1721: Apple Mac OS X

Medium severity, CVSS 6.8. EPSS: 4.3% chance of exploitation in the next 30 days.

The decompression implementation in the Imf::hufUncompress function in OpenEXR 1.2.2 and 1.6.1 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger a free of an uninitialized pointer.

Affected products

• Apple Mac OS X: before 10.5.8 (fixed in 10.5.8)
• Canonical Ubuntu Linux: version 8.04 only; version 8.10 only; version 9.04 only
• Debian Debian Linux: version 4.0 only; version 5.0 only
• Fedoraproject Fedora: version 10 only; version 11 only
• Openexr Openexr: version 1.2.2 only; version 1.6.1 only
• Opensuse Opensuse: version 10.0 only; version 10.3 only; version 11.0 only

Published 2009-07-31. Last modified 2026-06-16.