What’s Vulnerable › Vulnerabilities

CVE-1999-0001

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 1999-12-30 · updated 2026-06-16
• Weakness: CWE-20

Description

ip_input.c in BSD-derived TCP/IP implementations allows remote attackers to cause a denial of service (crash or hang) via crafted packets.

Affected products

• Bsdi Bsd Os: 3.1
• FreeBSD: 1.0, 1.1, 1.1.5.1, 1.2, 2.0, 2.0.1 (+14)
• OpenBSD: 2.3, 2.4

References

• http://www.openbsd.org/errata23.html#tcpfix
• http://www.osvdb.org/5707
• http://www.openbsd.org/errata23.html#tcpfix
• http://www.osvdb.org/5707

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