CVE-2009-0480: Sun Opensolaris

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

The IP implementation in Sun Solaris 8 through 10, and OpenSolaris before snv_82, uses an improper arena when allocating minor numbers for sockets, which allows local users to cause a denial of service (32-bit application failure and login outage) by opening a large number of sockets.

Affected products

• Sun Opensolaris: up to and including snv_81; version snv_01 only; version snv_02 only; version snv_03 only; version snv_04 only; version snv_05 only; …
• Sun Solaris: version 8 only; version 9 only; version 10 only

Published 2009-02-09. Last modified 2026-06-16.