How severe is CVE-2005-2315?

CVE-2005-2315 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-2315 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-2315?

CVE-2005-2315 primarily affects Dnrd. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-2315?

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-2005-2315 published?

CVE-2005-2315 was published on 2005-12-31 and last updated on 2026-06-16.

CVE-2005-2315

CVE-2005-2315 is a high-severity vulnerability in Dnrd 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: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Dnrd
Published: 2005-12-31
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2005-2315?: 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.
How severe is CVE-2005-2315?: CVE-2005-2315 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-2315 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2315?: CVE-2005-2315 primarily affects Dnrd. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2315?: 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-2005-2315 published?: CVE-2005-2315 was published on 2005-12-31 and last updated on 2026-06-16.

References

Affected products (16)

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

More vulnerabilities in Dnrd

CVE-2002-0140 — High (CVSS 7.5): Domain Name Relay Daemon (dnrd) 2.10 and earlier allows remote malicious DNS sites to cause a denial of service and…
CVE-2005-0037 — Medium (CVSS 5.0): The DNS implementation of DNRD before 2.10 allows remote attackers to cause a denial of service via a compressed DNS…
CVE-2005-2316 — Medium (CVSS 5.0): Domain Name Relay Daemon (DNRD) before 2.19.1 allows remote attackers to cause a denial of service (infinite recursion)…
CVE-2004-0789 — Medium (CVSS 5.0): Multiple implementations of the DNS protocol, including (1) Poslib 1.0.2-1 and earlier as used by Posadis, (2) Axis…

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