How severe is CVE-2006-2191?

CVE-2006-2191 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2006-2191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-2191?

CVE-2006-2191 affects Gnu Mailman. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-2191?

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-2006-2191 published?

CVE-2006-2191 was published on 2006-09-19 and last updated on 2026-06-16.

CVE-2006-2191

CVE-2006-2191 is a high-severity vulnerability in Gnu Mailman 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% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Gnu Mailman
Published: 2006-09-19
Last modified: 2026-06-16

Description

Format string vulnerability in Mailman before 2.1.9 allows attackers to execute arbitrary code via unspecified vectors. NOTE: the vendor has disputed this vulnerability, stating that it is "unexploitable.

Frequently asked questions

What is CVE-2006-2191?: Format string vulnerability in Mailman before 2.1.9 allows attackers to execute arbitrary code via unspecified vectors. NOTE: the vendor has disputed this vulnerability, stating that it is "unexploitable.
How severe is CVE-2006-2191?: CVE-2006-2191 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2006-2191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-2191?: CVE-2006-2191 affects Gnu Mailman. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-2191?: 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-2006-2191 published?: CVE-2006-2191 was published on 2006-09-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*

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