How severe is CVE-1999-0808?

CVE-1999-0808 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-1999-0808 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-1999-0808?

CVE-1999-0808 primarily affects Isc Dhcp Client. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-1999-0808?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-1999-0808 published?

CVE-1999-0808 was published on 1999-12-31 and last updated on 2026-06-16.

CVE-1999-0808

CVE-1999-0808 is a high-severity vulnerability in Isc Dhcp Client with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Isc Dhcp Client
Published: 1999-12-31
Last modified: 2026-06-16

Description

Multiple buffer overflows in ISC DHCP Distribution server (dhcpd) 1.0 and 2.0 allow a remote attacker to cause a denial of service (crash) and possibly execute arbitrary commands via long options.

Frequently asked questions

What is CVE-1999-0808?: Multiple buffer overflows in ISC DHCP Distribution server (dhcpd) 1.0 and 2.0 allow a remote attacker to cause a denial of service (crash) and possibly execute arbitrary commands via long options.
How severe is CVE-1999-0808?: CVE-1999-0808 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-1999-0808 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-1999-0808?: CVE-1999-0808 primarily affects Isc Dhcp Client. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-1999-0808?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-1999-0808 published?: CVE-1999-0808 was published on 1999-12-31 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:isc:dhcp_client:1.0:*:*:*:*:*:*:*
cpe:2.3:a:isc:dhcp_client:2.0:*:*:*:*:*:*:*

More vulnerabilities in Isc Dhcp Client

CVE-2000-0585 — Critical (CVSS 10.0): ISC DHCP client program dhclient allows remote attackers to execute arbitrary commands via shell metacharacters.

All CVEs affecting Isc Dhcp Client →