How severe is CVE-2005-2151?

CVE-2005-2151 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-2151 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-2151?

CVE-2005-2151 primarily affects Double Precision Incorporated Courier Mail Server. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-2151?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-2151 published?

CVE-2005-2151 was published on 2005-07-06 and last updated on 2026-06-16.

CVE-2005-2151

CVE-2005-2151 is a medium-severity vulnerability in Double Precision Incorporated Courier Mail Server with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Double Precision Incorporated Courier Mail Server
Published: 2005-07-06
Last modified: 2026-06-16

Description

spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy Framework (SPF) records, which could allow attackers to cause memory corruption.

Frequently asked questions

What is CVE-2005-2151?: spf.c in Courier Mail Server does not properly handle DNS failures when looking up Sender Policy Framework (SPF) records, which could allow attackers to cause memory corruption.
How severe is CVE-2005-2151?: CVE-2005-2151 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-2151 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2151?: CVE-2005-2151 primarily affects Double Precision Incorporated Courier Mail Server. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-2151?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-2151 published?: CVE-2005-2151 was published on 2005-07-06 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:a:double_precision_incorporated:courier_mail_server:0.46:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mail_server:0.47:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mail_server:0.48:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mail_server:0.48.1:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mail_server:0.48.2:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mail_server:0.49.0:*:*:*:*:*:*:*
cpe:2.3:a:double_precision_incorporated:courier_mail_server:0.50.0:*:*:*:*:*:*:*

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CVE-2005-3532 — High (CVSS 7.5): authpam.c in courier-authdaemon for Courier Mail Server 0.37.3 through 0.52.1, when using pam_tally, does not call the…

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