CVE-2005-0876

Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the DHCP lease file.

Published: 2005-05-02 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-0876 is rated Moderate Risk (49.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.60%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-0876

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 2.22% 2.60% +0.38%
2 2025-12-12 1.52% 2.22% +0.70%
3 2025-03-30 — 1.52% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-0876

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2005-0876

OS Trackers for CVE-2005-0876

vendor priority summary link
debian not yet assigned CVE-2005-0876 not yet assigned priority: Debian including 1 source packages (dnsmasq), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2005-0876
ubuntu medium CVE-2005-0876 medium priority: Ubuntu including 1 source packages (dnsmasq), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 3, needs-triage 1. https://ubuntu.com/security/CVE-2005-0876

Affected software / configurations for CVE-2005-0876

Vendor Product Version Raw CPE
dnsmasq dnsmasq 2.14 cpe:2.3:a:dnsmasq:dnsmasq:2.14:*:*:*:*:*:*:*
dnsmasq dnsmasq 2.15 cpe:2.3:a:dnsmasq:dnsmasq:2.15:*:*:*:*:*:*:*
dnsmasq dnsmasq 2.16 cpe:2.3:a:dnsmasq:dnsmasq:2.16:*:*:*:*:*:*:*
dnsmasq dnsmasq 2.17 cpe:2.3:a:dnsmasq:dnsmasq:2.17:*:*:*:*:*:*:*
dnsmasq dnsmasq 2.18 cpe:2.3:a:dnsmasq:dnsmasq:2.18:*:*:*:*:*:*:*
dnsmasq dnsmasq 2.19 cpe:2.3:a:dnsmasq:dnsmasq:2.19:*:*:*:*:*:*:*
dnsmasq dnsmasq 2.20 cpe:2.3:a:dnsmasq:dnsmasq:2.20:*:*:*:*:*:*:*

References for CVE-2005-0876

cvelogic Threat Intelligence