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CVE-2006-2191

20
FAUCET Score

CVE-2006-2191 describes a format string vulnerability in GNU Mailman versions prior to 2.1.9, potentially allowing attackers to execute arbitrary code. With a CVSS score of 7.5, it is considered highly severe, requiring no authentication and low attack complexity over the network, with potential for partial compromise of confidentiality, integrity, and availability. Despite its severity, the vendor has disputed the vulnerability, claiming it is unexploitable. There is no known exploit intelligence, active exploitation, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.1.8CPE matchmatch criteria
cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.49%
Probability of exploitation in next 30 days
EPSS Percentile
82.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0249 is in the 70th percentile among its peer group of 51,506 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

mail.python.org / pipermail/mailman-announce/2006-September/000087.html
Patch
people.debian.org / ~terpstra/message/20060906.155339.0c0732a4.en.html
secunia.com / advisories/21732
secunia.com / advisories/22639
novell.com / linux/security/advisories/2006_25_sr.html