CVE-2003-0026

CVE-2003-0026 is a high-severity vulnerability in Isc Dhcpd with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

Multiple stack-based buffer overflows in the error handling routines of the minires library, as used in the NSUPDATE capability for ISC DHCPD 3.0 through 3.0.1RC10, allow remote attackers to execute arbitrary code via a DHCP message containing a long hostname.

Frequently asked questions

What is CVE-2003-0026?
Multiple stack-based buffer overflows in the error handling routines of the minires library, as used in the NSUPDATE capability for ISC DHCPD 3.0 through 3.0.1RC10, allow remote attackers to execute arbitrary code via a DHCP message containing a long hostname.
How severe is CVE-2003-0026?
CVE-2003-0026 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0026 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0026?
CVE-2003-0026 primarily affects Isc Dhcpd. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-0026?
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-2003-0026 published?
CVE-2003-0026 was published on 2003-01-17 and last updated on 2026-06-16.

References

Affected products (9)

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