How severe is CVE-2006-5961?

CVE-2006-5961 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-5961 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-5961?

CVE-2006-5961 affects Pegasus Mercury Mail Transport System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-5961?

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-2006-5961 published?

CVE-2006-5961 was published on 2006-11-17 and last updated on 2026-06-16.

CVE-2006-5961

CVE-2006-5961 is a high-severity vulnerability in Pegasus Mercury Mail Transport System 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: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Pegasus Mercury Mail Transport System
Published: 2006-11-17
Last modified: 2026-06-16

Description

Buffer overflow in Mercury Mail Transport System 4.01b for Windows has unknown impact and attack vectors, as originally reported in a GLEG VulnDisco pack. NOTE: the provenance of this information is unknown; the details are obtained from third party information. The original researcher is reliable.

Frequently asked questions

What is CVE-2006-5961?: Buffer overflow in Mercury Mail Transport System 4.01b for Windows has unknown impact and attack vectors, as originally reported in a GLEG VulnDisco pack. NOTE: the provenance of this information is unknown; the details are obtained from third party information. The original researcher is reliable.
How severe is CVE-2006-5961?: CVE-2006-5961 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-5961 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-5961?: CVE-2006-5961 affects Pegasus Mercury Mail Transport System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-5961?: 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-2006-5961 published?: CVE-2006-5961 was published on 2006-11-17 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:pegasus:mercury_mail_transport_system:4.0.1b:*:windows:*:*:*:*:*