GNU Project Mailman Observation Footprint

GNU Project Mailman Global Footprint

Top 10 Identified Countries

Country	Observations	Percentage
DE	1,687	34.73%
US	1,493	30.73%
FR	159	3.27%
GB	158	3.25%
NL	149	3.07%
ES	113	2.33%
AU	97	2.00%
FI	88	1.81%
IT	77	1.59%
CA	74	1.52%

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GNU Project Mailman Industry Footprint

Top 10 Identified Industries

*Service provider organizations (typically Technology and Telecommunications) are disproportionally represented in the results given their upstream ownership of end-user infrastructure. See our FAQs.

Industry*	Observations	Percentage
Technology	2,122	70.83%
Education	589	19.66%
Telecommunications	167	5.57%
Government/Politics	71	2.37%
Nonprofit/NGO	31	1.03%
Finance	9	0.30%
Utilities	3	0.10%
Business Services	1	0.03%
Aerospace/Defense	1	0.03%
Legal	1	0.03%

Mailman Version Details

28 Versions Found

Version	Number of Observations Sort ascending
2.1.29	1,823
2.1.39	1,243
3	734
2.1.23	165
2.1.15	162
2.1.30	152
2.1.18	123
2.1.26	108
2.1.20	100
2.1.12	80

Mailman CVEs

Top 10 CVEs

CVE Number	Number of Observations
CVE-2025-43919	3,249
CVE-2025-43920	3,249
CVE-2025-43921	3,249
CVE-2020-12108	2,346
CVE-2020-12137	2,256
CVE-2018-13796	714
CVE-2016-6893	625
CVE-2011-0707	147
CVE-2011-5024	75
CVE-2006-2941	14

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