How severe is CVE-1999-0764?

CVE-1999-0764 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-1999-0764 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0764?

CVE-1999-0764 affects Netbsd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-1999-0764?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-1999-0764 published?

CVE-1999-0764 was published on 1999-05-01 and last updated on 2026-06-16.

CVE-1999-0764

CVE-1999-0764 is a medium-severity vulnerability in Netbsd with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netbsd
Published: 1999-05-01
Last modified: 2026-06-16

Description

NetBSD allows ARP packets to overwrite static ARP entries.

Frequently asked questions

What is CVE-1999-0764?: NetBSD allows ARP packets to overwrite static ARP entries.
How severe is CVE-1999-0764?: CVE-1999-0764 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-1999-0764 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0764?: CVE-1999-0764 affects Netbsd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-1999-0764?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-1999-0764 published?: CVE-1999-0764 was published on 1999-05-01 and last updated on 2026-06-16.

References

http://www.osvdb.org/6539

Affected products (1)

cpe:2.3:o:netbsd:netbsd:1.3:*:*:*:*:*:*:*

More vulnerabilities in Netbsd

CVE-2006-4304 — Critical (CVSS 10.0): Buffer overflow in the sppp driver in FreeBSD 4.11 through 6.1, NetBSD 2.0 through 4.0 beta before 20060823, and…
CVE-2003-0694 — Critical (CVSS 10.0): The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code via buffer overflow attacks,…
CVE-2002-1337 — Critical (CVSS 10.0): Buffer overflow in Sendmail 5.79 to 8.12.7 allows remote attackers to execute arbitrary code via certain formatted…
CVE-2001-0554 — Critical (CVSS 10.0): Buffer overflow in BSD-based telnetd telnet daemon on various operating systems allows remote attackers to execute…
CVE-2001-0247 — Critical (CVSS 10.0): Buffer overflows in BSD-based FTP servers allows remote attackers to execute arbitrary commands via a long pattern…
CVE-2001-0053 — Critical (CVSS 10.0): One-byte buffer overflow in replydirname function in BSD-based ftpd allows remote attackers to gain root privileges.

All CVEs affecting Netbsd →