What’s Vulnerable › Vulnerabilities

CVE-2000-0489

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 1999-09-05 · updated 2026-06-16

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.

Affected products

• FreeBSD: 3.0, 3.1, 3.2, 3.3, 3.4, 3.5 (+2)
• Netbsd: 1.4, 1.4.1, 1.4.2
• OpenBSD: 2.5, 2.6, 2.7

References

• http://www.securityfocus.com/bid/622
• http://www.securityfocus.com/templates/archive.pike?list=1&msg=NCBBKFKDOLAGKIAPMILPCEJLCEAA.labs%40ussrback.com
• http://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.10.9908270039010.16315-100000%40thetis.deor.org
• https://exchange.xforce.ibmcloud.com/vulnerabilities/3298
• http://www.securityfocus.com/bid/622
• http://www.securityfocus.com/templates/archive.pike?list=1&msg=NCBBKFKDOLAGKIAPMILPCEJLCEAA.labs%40ussrback.com
• http://www.securityfocus.com/templates/archive.pike?list=1&msg=Pine.LNX.4.10.9908270039010.16315-100000%40thetis.deor.org
• https://exchange.xforce.ibmcloud.com/vulnerabilities/3298

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