CVE-2009-0480

CVE-2009-0480 is a medium-severity vulnerability in Sun Opensolaris with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Description

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.

Frequently asked questions

What is CVE-2009-0480?
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.
How severe is CVE-2009-0480?
CVE-2009-0480 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2009-0480 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0480?
CVE-2009-0480 primarily affects Sun Opensolaris. In total, 168 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0480?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0480 published?
CVE-2009-0480 was published on 2009-02-09 and last updated on 2026-06-16.

References

Affected products (168)

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