CVE-2005-2315

Exp

Buffer overflow in Domain Name Relay Daemon (DNRD) before 2.19.1 allows remote attackers to execute arbitrary code via a large number of large DNS packets with the Z and QR flags cleared.

Published: 2005-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-2315 is rated High Exploit Risk (74.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.77%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2005-2315

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2005-2315

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 4.90% 3.77% -1.13%
2 2025-03-30 5.47% 4.90% -0.57%
3 2025-03-29 — 5.47% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-2315

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2005-2315

NVD evaluator notes for CVE-2005-2315

Solution: This vulnerability is addressed in the following product release: dnrd, dnrd, 2.19.1 This vulnerability affects all versions of dnrd prior to 2.19.1

Affected software / configurations for CVE-2005-2315

Vendor Product Version Raw CPE
dnrd dnrd 1.0 cpe:2.3:a:dnrd:dnrd:1.0:*:*:*:*:*:*:*
dnrd dnrd 1.1 cpe:2.3:a:dnrd:dnrd:1.1:*:*:*:*:*:*:*
dnrd dnrd 1.2 cpe:2.3:a:dnrd:dnrd:1.2:*:*:*:*:*:*:*
dnrd dnrd 1.3 cpe:2.3:a:dnrd:dnrd:1.3:*:*:*:*:*:*:*
dnrd dnrd 1.4 cpe:2.3:a:dnrd:dnrd:1.4:*:*:*:*:*:*:*
dnrd dnrd 2.0 cpe:2.3:a:dnrd:dnrd:2.0:*:*:*:*:*:*:*
dnrd dnrd 2.1 cpe:2.3:a:dnrd:dnrd:2.1:*:*:*:*:*:*:*
dnrd dnrd 2.2 cpe:2.3:a:dnrd:dnrd:2.2:*:*:*:*:*:*:*
dnrd dnrd 2.3 cpe:2.3:a:dnrd:dnrd:2.3:*:*:*:*:*:*:*
dnrd dnrd 2.4 cpe:2.3:a:dnrd:dnrd:2.4:*:*:*:*:*:*:*
dnrd dnrd 2.5 cpe:2.3:a:dnrd:dnrd:2.5:*:*:*:*:*:*:*
dnrd dnrd 2.6 cpe:2.3:a:dnrd:dnrd:2.6:*:*:*:*:*:*:*
dnrd dnrd 2.7 cpe:2.3:a:dnrd:dnrd:2.7:*:*:*:*:*:*:*
dnrd dnrd 2.8 cpe:2.3:a:dnrd:dnrd:2.8:*:*:*:*:*:*:*
dnrd dnrd 2.9 cpe:2.3:a:dnrd:dnrd:2.9:*:*:*:*:*:*:*
dnrd dnrd 2.10 cpe:2.3:a:dnrd:dnrd:2.10:*:*:*:*:*:*:*

References for CVE-2005-2315

cvelogic Threat Intelligence