CVE-2000-0489

CVE-2000-0489 is a low-severity vulnerability in Freebsd with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

FreeBSD, NetBSD, and OpenBSD allow an attacker to cause a denial of service by creating a large number of socket pairs using the socketpair function, setting a large buffer size via setsockopt, then writing large buffers.

Frequently asked questions

What is CVE-2000-0489?
FreeBSD, NetBSD, and OpenBSD allow an attacker to cause a denial of service by creating a large number of socket pairs using the socketpair function, setting a large buffer size via setsockopt, then writing large buffers.
How severe is CVE-2000-0489?
CVE-2000-0489 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2000-0489 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0489?
CVE-2000-0489 primarily affects Freebsd. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0489?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2000-0489 published?
CVE-2000-0489 was published on 1999-09-05 and last updated on 2026-06-16.

References

Affected products (20)

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